feat(stats-detectors): List transaction ops for endpoint regression (#8598)

* feat(stats-detectors): List transaction ops for endpoint regression

Since not all transactions qualify for the endpoint regression feature,
explicitly list all the transaction ops that qualify.

* Update src/docs/product/issues/issue-details/performance-issues/endpoint-regressions/index.mdx

Co-authored-by: vivianyentran <[email protected]>

---------

Co-authored-by: vivianyentran <[email protected]>

Author: Zylphrex

src/docs/product/issues/issue-details/performance-issues/endpoint-regressions/index.mdx

@@ -12,6 +12,15 @@ Endpoint Regression issues are a generic class of problems where the duration of
 
 The detector for performance issues periodically checks the 95th percentile transaction duration of the most common endpoints in your project. When a significant increase in the p95 value is detected and has been sustained for some time, a regression issue is created.
 
+To be categorized as an endpoint, the transaction operation must be one of the following:
+
+- `function.aws`
+- `function.aws.lambda`
+- `http.server`
+- `serverless.function`
+- `asgi.server`
+- `rails.request`
+
 ## Regression Evidence
 
 To find additional info, go to the Issues page and click on the Endpoint Regression issue you're interested in. In the top section of the "Details" tab, you'll find the following: