* ee/master:
  Move "Move issue" to sidebar - EE merge edition
  Update CHANGELOG.md for 9.5.3
  Update CHANGELOG-EE.md for 9.5.3-ee
  Fix merges not working when project is not licensed for squash
  Extend early adopters feature set
  Fix unsetting credentials data for pull mirrors
  Add icon for billing
  Remove private token.
  Docs: update repo mirroring
  Fixes bug where mirror trigger builds is nil at project create.

Move "Move issue" to sidebar - EE merge edition

Closes gitlab-ce#34261

See merge request !2715

Fix merges not working when project is not licensed for squash

Closes #3321

See merge request !2817

Fix unsetting credentials data for pull mirrors

Closes #3308

See merge request !2810

Add icon for billing

Closes #3297

See merge request !2814

[ci skip]

[ci skip]

Closes #3321

Extend early adopters feature set

Closes gitlab-com/support-forum#2398

See merge request !2816

Remove private token.

See merge request !2813

Docs: update repo mirroring

Closes #3030

See merge request !2808

Fixes bug where mirror trigger builds is nil at project create.

See merge request !2797

* upstream/master: (113 commits)
  Simplify Git interactions in AfterImportService
  Fixed group merge requests failure
  Rollsback changes made to signing_enabled.
  Changed title on 404 page
  Changed message and title on the 404 page
  Make Gitaly PostUploadPack mandatory
  Use gitaly 0.36.0
  Instrument MergeRequest#fetch_ref
  /move project functionality. Squash commit.
  Remove closing external issues by reference error
  fix date
  Add support for custom daysPerWeek and hoursPerDay to prettyTime.parseSeconds.
  Fix merge button dropdown caret horizontal alignment
  rename image
  adjust date
  correct date format
  reduce the dir name
  add image
  Move apt-get quiet flag in the beginning
  fixes docs lint
  ...

Simplify Git interactions in AfterImportService

See merge request !13962

Rollback changes made to signing_enabled.

Closes #37202

See merge request !13956

Changed message and title on the 404 page

See merge request !13982

CE upstream: Wednesday

Closes gitlab-ce#37147, gitlab-ce#36804, gitlab-ce#36633, gitlab-ce#34323, and gitlab-ci-multi-runner#2696

See merge request !2787

Fixed group merge requests failure

See merge request !13985

Make member permission dropdowns consistent

See merge request !13600

Merge request to address /move functionality.

See merge request !13436

Use Gitaly 0.36.0

See merge request !13961

Backport to CE: Support `codequality` job name for Code Quality feature

See merge request !13833

Add 'from commit' information to cherry-picked commits

See merge request !13475

Unescape HTML characters in Wiki title

Closes #35686

See merge request !13942