* upstream/master: (74 commits)
  Fix notes type created from import
  Fix Auto DevOps banner feature flag
  Fix static analysis.
  Fix karma test
  Migrate Gitlab::Git::Repository#add_tag to Gitaly
  Migrate Git::Repository#rm_tag to Gitaly
  Docs: Feature overview and use cases
  Add active states to nav bar counters
  copyedit - reorg headers
  Support custom attributes on users
  copyedit + last_updated
  Tweaked the first time contributor tooltip text
  add note on DNS propagation time
  add section "Add your custom domain to GitLab Pages settings"
  Document the usage of the Docker OverlayFS driver for every build
  Fixes data parameter not being sent in ajax request for jobs log
  Clear merge requests counter cache after merge
  Add support to migrate existing projects to Hashed Storage async
  Removes the target branch and only uses the source branch.
  Remove target ref switcher.
  ...

Fix notes type created from import

Closes #38432

See merge request gitlab-org/gitlab-ce!14524

CE upstream - Wednesday

Closes gitlab-ce#34415

See merge request gitlab-org/gitlab-ee!3026

Signed-off-by: Rémy Coutable <remy@rymai.me>

Add index for merge_requests.merge_commit_sha

Closes #38507

See merge request gitlab-org/gitlab-ce!14549

Tweaked the first time contributor tooltip text

See merge request gitlab-org/gitlab-ce!14565

Fix Auto DevOps banner feature flag

Closes #38576

See merge request gitlab-org/gitlab-ce!14576

Fixed breadcrumb title not linking

Closes #38059

See merge request gitlab-org/gitlab-ce!14532

Remove target dd

Closes #38485

See merge request gitlab-org/gitlab-ce!14558

Add active states to nav bar counters

Closes #37335

See merge request gitlab-org/gitlab-ce!14569

Fixes data parameter not being sent in ajax request for jobs log

Closes #38528

See merge request gitlab-org/gitlab-ce!14564

Guidelines for illustrations

See merge request gitlab-org/gitlab-ce!13097

Migrate Gitlab::Git::Repository#add_tag to Gitaly

Closes gitaly#601

See merge request gitlab-org/gitlab-ce!14500

Closes gitaly#601

Migrate Git::Repository#rm_tag to Gitaly

Closes gitaly#562

See merge request gitlab-org/gitlab-ce!14388

Closes gitaly#562

RepoEditor: Prevent extra network call for already opened files.

Closes #38256

See merge request gitlab-org/gitlab-ce!14489

Docs: Feature overview and use cases

Closes #38076

See merge request gitlab-org/gitlab-ce!14538

Docs: crosslink Pages guides

Closes #38427

See merge request gitlab-org/gitlab-ce!14542

Clear merge requests counter cache after merge

Closes gitlab-ee#3573 and #38344

See merge request gitlab-org/gitlab-ce!14563

Hashed storage migration path (EE version)

Closes #3118

See merge request gitlab-org/gitlab-ee!3023

EE port of fix-translation-namespaces

See merge request gitlab-org/gitlab-ee!3011

Hashed storage migration path

Closes gitlab-ee#3118

See merge request gitlab-org/gitlab-ce!14067

Use relative paths for opening and closing issuables

Closes #35822

See merge request gitlab-org/gitlab-ce!14555

Support custom attributes on users

See merge request gitlab-org/gitlab-ce!13038

Removes the text `Handle with care` as it sounds condescending.

Document the usage of the Docker OverlayFS driver for every build

See merge request gitlab-org/gitlab-ce!14478