chore: Update discovery artifacts (#1486)

## Deleted keys were detected in the following stable discovery artifacts:
displayvideo v1 21f81c8
sts v1 a8ebc2b

## Deleted keys were detected in the following pre-stable discovery artifacts:
networkconnectivity v1alpha1 68588ad

## Discovery Artifact Change Summary:
feat(apigee): update the api 41ae79b
feat(bigqueryreservation): update the api b0483ab
feat(chat): update the api 2703122
feat(cloudbuild): update the api 30c1222
feat(cloudscheduler): update the api 0405b1d
feat(contactcenterinsights): update the api 3abcf53
feat(dialogflow): update the api c493584
feat(displayvideo): update the api 21f81c8
feat(monitoring): update the api d997b2c
feat(networkconnectivity): update the api 68588ad
feat(notebooks): update the api b975c34
feat(retail): update the api c2bcb70
feat(servicenetworking): update the api 3bdc7b9
feat(sts): update the api a8ebc2b

Author: yoshi-code-bot

docs/dyn/analyticsdata_v1beta.properties.html

@@ -428,7 +428,7 @@ <h3>Method Details</h3>
           &quot;startDate&quot;: &quot;A String&quot;, # The inclusive start date for the query in the format `YYYY-MM-DD`. Cannot be after `end_date`. The format `NdaysAgo`, `yesterday`, or `today` is also accepted, and in that case, the date is inferred based on the property&#x27;s reporting time zone.
         },
       ],
-      &quot;dimensionFilter&quot;: { # To express dimension or metric filters. The fields in the same FilterExpression need to be either all dimensions or all metrics. # The filter clause of dimensions. Dimensions must be requested to be used in this filter. Metrics cannot be used in this filter.
+      &quot;dimensionFilter&quot;: { # To express dimension or metric filters. The fields in the same FilterExpression need to be either all dimensions or all metrics. # Dimension filters allow you to ask for only specific dimension values in the report. To learn more, see [Fundamentals of Dimension Filters](https://developers.google.com/analytics/devguides/reporting/data/v1/basics#dimension_filters) for examples. Metrics cannot be used in this filter.
         &quot;andGroup&quot;: { # A list of filter expressions. # The FilterExpressions in and_group have an AND relationship.
           &quot;expressions&quot;: [ # A list of filter expressions.
             # Object with schema name: FilterExpression
@@ -496,7 +496,7 @@ <h3>Method Details</h3>
       &quot;metricAggregations&quot;: [ # Aggregation of metrics. Aggregated metric values will be shown in rows where the dimension_values are set to &quot;RESERVED_(MetricAggregation)&quot;.
         &quot;A String&quot;,
       ],
-      &quot;metricFilter&quot;: { # To express dimension or metric filters. The fields in the same FilterExpression need to be either all dimensions or all metrics. # The filter clause of metrics. Applied at post aggregation phase, similar to SQL having-clause. Metrics must be requested to be used in this filter. Dimensions cannot be used in this filter.
+      &quot;metricFilter&quot;: { # To express dimension or metric filters. The fields in the same FilterExpression need to be either all dimensions or all metrics. # The filter clause of metrics. Applied at post aggregation phase, similar to SQL having-clause. Dimensions cannot be used in this filter.
         &quot;andGroup&quot;: { # A list of filter expressions. # The FilterExpressions in and_group have an AND relationship.
           &quot;expressions&quot;: [ # A list of filter expressions.
             # Object with schema name: FilterExpression
@@ -1317,7 +1317,7 @@ <h3>Method Details</h3>
       &quot;startDate&quot;: &quot;A String&quot;, # The inclusive start date for the query in the format `YYYY-MM-DD`. Cannot be after `end_date`. The format `NdaysAgo`, `yesterday`, or `today` is also accepted, and in that case, the date is inferred based on the property&#x27;s reporting time zone.
     },
   ],
-  &quot;dimensionFilter&quot;: { # To express dimension or metric filters. The fields in the same FilterExpression need to be either all dimensions or all metrics. # The filter clause of dimensions. Dimensions must be requested to be used in this filter. Metrics cannot be used in this filter.
+  &quot;dimensionFilter&quot;: { # To express dimension or metric filters. The fields in the same FilterExpression need to be either all dimensions or all metrics. # Dimension filters allow you to ask for only specific dimension values in the report. To learn more, see [Fundamentals of Dimension Filters](https://developers.google.com/analytics/devguides/reporting/data/v1/basics#dimension_filters) for examples. Metrics cannot be used in this filter.
     &quot;andGroup&quot;: { # A list of filter expressions. # The FilterExpressions in and_group have an AND relationship.
       &quot;expressions&quot;: [ # A list of filter expressions.
         # Object with schema name: FilterExpression
@@ -1385,7 +1385,7 @@ <h3>Method Details</h3>
   &quot;metricAggregations&quot;: [ # Aggregation of metrics. Aggregated metric values will be shown in rows where the dimension_values are set to &quot;RESERVED_(MetricAggregation)&quot;.
     &quot;A String&quot;,
   ],
-  &quot;metricFilter&quot;: { # To express dimension or metric filters. The fields in the same FilterExpression need to be either all dimensions or all metrics. # The filter clause of metrics. Applied at post aggregation phase, similar to SQL having-clause. Metrics must be requested to be used in this filter. Dimensions cannot be used in this filter.
+  &quot;metricFilter&quot;: { # To express dimension or metric filters. The fields in the same FilterExpression need to be either all dimensions or all metrics. # The filter clause of metrics. Applied at post aggregation phase, similar to SQL having-clause. Dimensions cannot be used in this filter.
     &quot;andGroup&quot;: { # A list of filter expressions. # The FilterExpressions in and_group have an AND relationship.
       &quot;expressions&quot;: [ # A list of filter expressions.
         # Object with schema name: FilterExpression

docs/dyn/androidpublisher_v3.orders.html

@@ -79,7 +79,7 @@ <h2>Instance Methods</h2>
 <p class="firstline">Close httplib2 connections.</p>
 <p class="toc_element">
   <code><a href="#refund">refund(packageName, orderId, revoke=None, x__xgafv=None)</a></code></p>
-<p class="firstline">Refund a user's subscription or in-app purchase order.</p>
+<p class="firstline">Refunds a user's subscription or in-app purchase order. Orders older than 1 year cannot be refunded.</p>
 <h3>Method Details</h3>
 <div class="method">
     <code class="details" id="close">close()</code>
@@ -88,7 +88,7 @@ <h3>Method Details</h3>
 
 <div class="method">
     <code class="details" id="refund">refund(packageName, orderId, revoke=None, x__xgafv=None)</code>
-  <pre>Refund a user&#x27;s subscription or in-app purchase order.
+  <pre>Refunds a user&#x27;s subscription or in-app purchase order. Orders older than 1 year cannot be refunded.
 
 Args:
   packageName: string, The package name of the application for which this subscription or in-app item was purchased (for example, &#x27;com.some.thing&#x27;). (required)