Merge branch '11-9-stable-patch-1' into '11-9-stable'

GITALY_SERVER_VERSION

app/assets/stylesheets/pages/merge_requests.scss

app/models/broadcast_message.rb

app/models/concerns/cache_markdown_field.rb

app/models/project.rb

app/serializers/diff_file_entity.rb

...views/projects/protected_branches/shared/_index.html.haml

app/workers/project_cache_worker.rb

...s/unreleased/58999-z-index-issue-on-pipeline-dropdown.yml

changelogs/unreleased/59147-duplicate-match-line.yml

...nreleased/59289-fix-push-to-create-protected-branches.yml

...eased/59293-android-template-is-missing-gitlab-ci-yml.yml

changelogs/unreleased/gitaly-version-v1.27.1.yml

...ogs/unreleased/refresh-commit-count-after-head-change.yml

changelogs/unreleased/retain-default-branch-on-import.yml

changelogs/unreleased/sh-fix-github-import-creator.yml

doc/user/project/protected_branches.md

lib/gitlab/checks/branch_check.rb

lib/gitlab/diff/file.rb

lib/gitlab/github_import/importer/pull_request_importer.rb