chore: update test plan template (#17497)

Author: rubvs

.github/ISSUE_TEMPLATE/test-plan.md

@@ -2,27 +2,41 @@
 name: Test Plan
 about: Create a new manual test plan meta issue
 labels: "test-plan"
-
 ---
 
 # Manual Test Plan
 
-When picking up a test case, please add your name to this overview beforehand and tick the checkbox when finished.
-Testing can be started when the first build candidate (BC) is available in the CFT region.
+- When picking up a test case, please add your name to this overview beforehand and tick the checkbox when finished.
+- Testing can be started when the first build candidate (BC) is available in the CFT region.
+- For each repository, update the compare version range to get the list of commits to review.
+
+## ES apm-data plugin
+
+<!-- Add any issues / PRs which were worked on during the milestone release https://github.com/elastic/elasticsearch/tree/main/x-pack/plugin/apm-data-->
 
-## Smoke Testing ESS setup
+## apm-aggregation
 
-Thanks to https://github.com/elastic/apm-server/issues/8303 further smoke tests are run automatically on ESS now.
-**Consider extending the smoke tests to include more test cases which we'd like to cover**
+<!-- Add any issues / PRs which were worked on during the milestone release https://github.com/elastic/apm-aggregation/pulls-->
 
-## go-docappender library
+List of changes: https://github.com/elastic/apm-aggregation/compare/v1.2.0...v1.3.0
+
+## go-docappender
 
 <!-- Add any issues / PRs which were worked on during the milestone release https://github.com/elastic/go-docappender/pulls-->
 
-## apm-data library
+List of changes: https://github.com/elastic/go-docappender/compare/v2.4.0...v2.10.0
+
+## apm-data
 
 <!-- Add any issues / PRs which were worked on during the milestone release https://github.com/elastic/apm-data/pulls-->
 
+List of changes: https://github.com/elastic/apm-data/compare/v1.16.0...v1.19.2
+
+## apm-server
+
+<!-- Add any issues / PRs which were worked on during the milestone release https://github.com/elastic/apm-server/pulls-->
+
+List of changes: https://github.com/elastic/apm-server/compare/v9.0.0...main
 
 ## Test cases from the GitHub board
 
@@ -31,7 +45,3 @@ Thanks to https://github.com/elastic/apm-server/issues/8303 further smoke tests
 <!-- [apm-server MAJOR.MINOR test-plan](https://github.com/elastic/apm-server/issues?q=is%3Aissue+label%3Atest-plan+-label%3Atest-plan-ok+is%3Aclosed+label%3AvMAJOR.MINOR.0) -->
 
 Add yourself as _assignee_ on the PR before you start testing.
-
-## Regressions
-
-<!-- Link any regressions to this issue. -->