* master: (33 commits)
  Include integration tests in CE/EE testing documentation
  41054-Disallow creation of new Kubernetes integrations
  Resolve "Resizable file list and commit panel"
  Make tooltip placement bottom by default as per design guidelines
  Fix groups list icon, timestamp alignment and row height
  Avoid leaving a push event empty if payload cannot be created
  Use heredoc for long strings so it's easier to read
  Simplify metrics fetching for closed/merged MRs
  Better English
  Fix method lookup
  Use a background migration for issues.closed_at
  Handle Gitaly aborted merge due to branch update
  Fix API endpoints to edit wiki pages where project belongs to a group
  Fixes spec failures due to not returning metrics for MRs other than closed/merged
  Cache merged and closed events data in merge_request_metrics table
  Update test to remove carent icon check
  Update styles to fix SVG caret alignment
  Update selector to test SVG icon name
  Use SVG sprite icons
  Add support for max_count option to Git::Repository#count_commits
  ...

Groups tree enhancements

Closes #40533

See merge request gitlab-org/gitlab-ce!15980

Avoid leaving a push event empty if payload cannot be created

See merge request gitlab-org/gitlab-ce!16214

Handle Gitaly aborted merge due to branch update

Closes gitaly#854

See merge request gitlab-org/gitlab-ce!16116

Include integration tests in CE/EE testing documentation

See merge request gitlab-org/gitlab-ce!16139

Add support for max_count option to Git::Repository#count_commits

See merge request gitlab-org/gitlab-ce!16145

Use a background migration for migrating issues.closed_at

See merge request gitlab-org/gitlab-ce!16083

Improve closed/merged events queries performance on Projects::MergeRequestsController#show.json

See merge request gitlab-org/gitlab-ce!15642

41054-Disallow creation of new Kubernetes integrations

Closes #41054

See merge request gitlab-org/gitlab-ce!16017

Resolve "Resizable file list and commit panel"

Closes #40042

See merge request gitlab-org/gitlab-ce!16178

Use heredoc for long strings so it's easier to read

See merge request gitlab-org/gitlab-ce!16179

Fix API endpoints to edit wiki pages where project belongs to a group

Closes #40453

See merge request gitlab-org/gitlab-ce!16170

If the payload cannot be created for some reason, we could be left with a nil
push event payload, which causes Error 500s when viewing the dashboard. Guard
against this error and log when it happens.

Avoids problems seen in #38823

Merge branch '37843-ci-trace-ansi-colours-256-bold-have-no-css-due-wrongly-ansi2html-light-color-variant-conversion-feature' into 'master'

fix issue #37843

Closes #37843

See merge request gitlab-org/gitlab-ce!15902

Update Auto DevOps template

See merge request gitlab-org/gitlab-ce!16042

Updates documentation for Prometheus and Kubernetes integration

Closes #41432

See merge request gitlab-org/gitlab-ce!16156

Handle GitLab hashed storage repositories using the repo import task

Closes #39870

See merge request gitlab-org/gitlab-ce!16027

Resolve "reStructuredText rendering of definition lists"

Closes #13355

See merge request gitlab-org/gitlab-ce!16202

Pre commit prettier

See merge request gitlab-org/gitlab-ce!16061

Move 2FA disable button #35836

Closes #35836

See merge request gitlab-org/gitlab-ce!16177

Re-add width for sidebar context header

See merge request gitlab-org/gitlab-ce!16180

- Removed disable button from /profile/account
- Added disable button to /profile/two_factor_auth
- Changed 2FA breadcrumb from 'User Settings > Account > Account' to 'User Settings > Account > Two-Factor Authentication'