Merge branch 'pl-mr-template-static-analysis-gitlab-styles' into 'master'

Encourage create new cops in gitlab-styles repository

See merge request gitlab-org/gitlab!53507

.gitlab/merge_request_templates/New Static Analysis Check.md

+<!--
+When creating a new cop that could be applied to multiple applications,
+we encourage you to add it to https://gitlab.com/gitlab-org/gitlab-styles gem.
+-->
+
 ## Description of the proposal
 
 <!--