Merge branch 'add_notice_to_run_pipeline' into 'master'

Use dangers to remind user to check migrations

See merge request gitlab-org/gitlab!91439

danger/database/Dangerfile

@@ -30,6 +30,12 @@ If you no longer require a database review, you can remove this suggestion
 by removing the ~database label and re-running the [`danger-review` job](#{ENV['CI_JOB_URL']}).
 MSG
 
+DB_MIGRATION_TESTING_REQUIRED_MESSAGE = <<~MSG
+1. If this is not a ~"Community contribution" or from a Fork, kick off the 
+   `db:gitlabcom-database-testing` manual job.
+
+MSG
+
 DATABASE_APPROVED_LABEL = 'database::approved'
 
 non_geo_db_schema_updated = !git.modified_files.grep(%r{\Adb/structure\.sql}).empty?
@@ -58,9 +64,10 @@ if helper.mr_labels.include?('database') || db_paths_to_review.any?
     'review from the [Database team](https://gitlab.com/groups/gl-database/-/group_members).'
 
   markdown(DB_MESSAGE)
+  markdown(DB_MIGRATION_TESTING_REQUIRED_MESSAGE) if non_geo_migration_created
 
   if db_paths_to_review.any?
-    markdown(DB_FILES_MESSAGE + helper.markdown_list(db_paths_to_review))
+    markdown(DB_FILES_MESSAGE + helper.markdown_list(db_paths_to_review.to_set))
   else
     markdown(DB_REMOVE_MESSAGE)
   end

tooling/danger/project_helper.rb

@@ -26,7 +26,7 @@ module ProjectHelper
         %r{\Adoc/.*(\.(md|png|gif|jpg|yml))\z} => :docs,
         %r{\A(CONTRIBUTING|LICENSE|MAINTENANCE|PHILOSOPHY|PROCESS|README)(\.md)?\z} => :docs,
         %r{\Adata/whats_new/} => :docs,
-        %r{\Adb/docs/.yml\z} => :docs,
+        %r{\Adb/docs/.+\.yml\z} => :docs,
         %r{\Adata/deprecations/} => :none,
         %r{\Adata/removals/} => :none,