Merge branch '2518-saved-configuration-for-issue-board' of https://gitlab.com/gitlab-org/gitlab-ee into 2518-saved-configuration-for-issue-board

empty @click.stop to allow clicking inside the dialog

Merge branch '2518-saved-configuration-for-issue-board' of gitlab.com:gitlab-org/gitlab-ee into 2518-saved-configuration-for-issue-board

see https://gitlab.com/gitlab-org/gitlab-ee/issues/3612

Merge branch 'master' of gitlab.com:gitlab-org/gitlab-ee into 2518-saved-configuration-for-issue-board

Add static analysis job to find invalid YAML in changelogs

See merge request gitlab-org/gitlab-ee!3043

Adds a Gitaly n+1 notice to commit handling on access check

See merge request gitlab-org/gitlab-ee!3034

All of these were in past releases, so missed their chance to be included in the
main changelog :-(

Changelogs without a .yml extension won't be picked up, and will be ignored
completely, so fail the pipeline when one of those is found.