feat(dataflow): update the api

#### dataflow:v1b3

The following keys were added:
- schemas.TemplateMetadata.properties.yamlDefinition.type (Total Keys: 1)

Author: yoshi-automation

docs/dyn/dataflow_v1b3.projects.locations.flexTemplates.html

@@ -170,6 +170,7 @@ <h3>Method Details</h3>
         &quot;streaming&quot;: True or False, # Optional. Indicates if the template is streaming or not.
         &quot;supportsAtLeastOnce&quot;: True or False, # Optional. Indicates if the streaming template supports at least once mode.
         &quot;supportsExactlyOnce&quot;: True or False, # Optional. Indicates if the streaming template supports exactly once mode.
+        &quot;yamlDefinition&quot;: &quot;A String&quot;, # Optional. For future use.
       },
       &quot;sdkInfo&quot;: { # SDK Information. # Required. SDK info of the Flex Template.
         &quot;language&quot;: &quot;A String&quot;, # Required. The SDK Language.

docs/dyn/dataflow_v1b3.projects.locations.templates.html

@@ -529,6 +529,7 @@ <h3>Method Details</h3>
     &quot;streaming&quot;: True or False, # Optional. Indicates if the template is streaming or not.
     &quot;supportsAtLeastOnce&quot;: True or False, # Optional. Indicates if the streaming template supports at least once mode.
     &quot;supportsExactlyOnce&quot;: True or False, # Optional. Indicates if the streaming template supports exactly once mode.
+    &quot;yamlDefinition&quot;: &quot;A String&quot;, # Optional. For future use.
   },
   &quot;runtimeMetadata&quot;: { # RuntimeMetadata describing a runtime environment. # Describes the runtime metadata with SDKInfo and available parameters.
     &quot;parameters&quot;: [ # The parameters for the template.

docs/dyn/dataflow_v1b3.projects.templates.html

@@ -528,6 +528,7 @@ <h3>Method Details</h3>
     &quot;streaming&quot;: True or False, # Optional. Indicates if the template is streaming or not.
     &quot;supportsAtLeastOnce&quot;: True or False, # Optional. Indicates if the streaming template supports at least once mode.
     &quot;supportsExactlyOnce&quot;: True or False, # Optional. Indicates if the streaming template supports exactly once mode.
+    &quot;yamlDefinition&quot;: &quot;A String&quot;, # Optional. For future use.
   },
   &quot;runtimeMetadata&quot;: { # RuntimeMetadata describing a runtime environment. # Describes the runtime metadata with SDKInfo and available parameters.
     &quot;parameters&quot;: [ # The parameters for the template.

googleapiclient/discovery_cache/documents/dataflow.v1b3.json

@@ -2208,7 +2208,7 @@
 }
 }
 },
-"revision": "20250106",
+"revision": "20250131",
 "rootUrl": "https://dataflow.googleapis.com/",
 "schemas": {
 "ApproximateProgress": {
@@ -5747,13 +5747,15 @@ false
 "UNKNOWN",
 "JAVA",
 "PYTHON",
-"GO"
+"GO",
+"YAML"
 ],
 "enumDescriptions": [
 "UNKNOWN Language.",
 "Java.",
 "Python.",
-"Go."
+"Go.",
+"YAML."
 ],
 "type": "string"
 },
@@ -7241,6 +7243,10 @@ false
 "supportsExactlyOnce": {
 "description": "Optional. Indicates if the streaming template supports exactly once mode.",
 "type": "boolean"
+},
+"yamlDefinition": {
+"description": "Optional. For future use.",
+"type": "string"
 }
 },
 "type": "object"