Fix webhook recent deliveries elapsed time field

Closes #39704

See merge request gitlab-org/gitlab-ce!15146

Add debugging section to testing_guide/best_practices.md.

See merge request gitlab-org/gitlab-ce!14858

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

Fix cancel button not working when uploading a file on the new issue page

Closes #39512

See merge request gitlab-org/gitlab-ce!15137

Fixes to changed / broken links

See merge request gitlab-org/gitlab-ce!15089

Fix binary files not showing anything in edit mode

See merge request gitlab-org/gitlab-ce!15124

Merge branch '35955-searchable-settings-puts-expand-collapse-toggle-in-an-invalid-state' into 'master'

Resolve "Searchable settings puts expand/collapse toggle in an invalid state."

Closes #35955, #37520, and #39207

See merge request gitlab-org/gitlab-ce!13363

Updated Vue to 2.5.1

See merge request gitlab-org/gitlab-ce!14874

Make contributors page translatable

Closes #38592

See merge request gitlab-org/gitlab-ce!14915

Fix encoding issue with Repository.ls_files

Closes #39363

See merge request gitlab-org/gitlab-ce!15113

Mobile-friendly table on Admin Runners

Closes #33848

See merge request gitlab-org/gitlab-ce!15134

Fix Auto DevOps graphic gears spinning based on physics

Closes #39513

See merge request gitlab-org/gitlab-ce!15076

Fixed user profile tab being off-screen

See merge request gitlab-org/gitlab-ce!15030

Move from doc to repo.

See merge request gitlab-org/gitlab-ce!15139

Replace CLA

See merge request gitlab-org/gitlab-ce!15115

Fix typo

See merge request gitlab-org/gitlab-ce!15136

Detect changes to LFS pointers for pruning and integrity check

See merge request gitlab-org/gitlab-ce!14785

Update gitlab-markup and PlantUML docs

See merge request gitlab-org/gitlab-ce!15120

Disable Unicorn sampling in Sidekiq since there are no Unicorn sockets to monitor

See merge request gitlab-org/gitlab-ce!15128

Fix wording on CI disposable variables

See merge request gitlab-org/gitlab-ce!14983

Add extra webhook troubleshooting steps

See merge request gitlab-org/gitlab-ce!15125

Gitlab::Git::Blob.batch_lfs_metadata can be used to check for LFS pointers. It uses a lazy enumorator and filters by blob size

document that PostgreSQL 10.0 is not supported

See merge request gitlab-org/gitlab-ce!15095

Exclude comments from specific docs

Closes #39678

See merge request gitlab-org/gitlab-ce!15122

This reduces some polling overhead and reduces the need to aggregate
empty metrics from the Sidekiq worker.

Add metrics tagging to the sidekiq middleware

See merge request gitlab-org/gitlab-ce!15111

Refactor/group links controller

See merge request gitlab-org/gitlab-ce!15121

Add information on duplicate or multiple triggers caused by a slow response time.