Add test.js and test.css to disable animations during testing and include these in _head when testing

Merge branch 'master' into '31987-automatically-close-assignee-select-dropdown-after-selection-when-multiple-assignees-is-disabled'

Autolink package names in Gemfile

See merge request !11224

Paste a copied MR source branch name as code when pasted into a GFM form

See merge request !11315

Removed all instances of Object.assign by using es6 classes, also includes some …

See merge request !11288

Expose memory deltas between app deployments and refactor prometheus queries to support more custom queries

See merge request !10981

Only rename namespaces and projects with an invalid path

See merge request !11338

# Conflicts:
#   app/assets/javascripts/vue_merge_request_widget/components/mr_widget_header.js

Consistently use monospace font for commit SHAs and branch and tag names

See merge request !11276

Fix form_spec.rb

See merge request !11330

For exact matches, not namespaces that end with an invalid path

Fix milestone_filter_spec.rb

See merge request !11329

Merge branch '31384-new-issue-button-on-no-results-page-after-search-doesn-t-go-to-correct-form' into 'master'

Remove 'New Issue' button from 'There are no issues to show' state graphic

Closes #31384

See merge request !11263

Fix failing backup filename spec for RCs

See merge request !11318

Adds pipeline id to 'Last Pipeline' link in pipeline schedules

Closes #32103

See merge request !11258

Rework update_assignee_cache_counts

Closes #31873

See merge request !11270

MRWidget: Fix target branch link.

See merge request !11267

Enabled 'no one' as a merge access level in protected branches

Closes #31541

See merge request !11232

Add "SHA mismatch" state to the MR widget

Closes #32178

See merge request !11316

Backport FileFinder from EE

Closes #32188

See merge request !11319

Uniform CI status components in vue

Closes #30286

See merge request !11235