Stop MR conflict code from blowing up when branches are missing

Closes #32544

See merge request !11501

Catch all URI errors in ExternalLinkFilter

Closes #32076

See merge request !11494

Add docs on how to turn off SSL verification on GH oauth

See merge request !11504

Delete merge_request_widget.js

See merge request !11452

In https://gitlab.com/gitlab-org/gitlab-ee/merge_requests/323/ we added support
to disable SSL verification because attempting to import projects from a
self-signed GH Enterprise instance will fail with an SSL error.

Fix clicking disabled clipboard button toolip

Closes #32518

See merge request !11493

Fix ProjectCacheWorker for plain READMEs

Closes #32540

See merge request !11506

Fixes for the rename reserved paths helpers

Closes #32528

See merge request !11492

Enable the RSpec/EmptyExampleGroup cop

See merge request !11497

Enable the RSpec/ExpectOutput cop

See merge request !11500

The ProjectCacheWorker refreshes cache periodically, but it runs outside Rails
context. So include the ActionView helpers so the `content_tag` method is
available.

Remove Services count from usage ping payload.

Closes gitlab-ee#2241

See merge request !11499

Fix ability to edit diff notes multiple times

Closes #32425

See merge request !11456

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

Document Promise testing best practice

See merge request !11284

This query was timing out and is blocking the sync of usage data for
GitLab.com

See merge request !11346.

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

Refactored the anchor tag to remove the trailing space in the target branch

Closes #32445

See merge request !11463

Make API v3 removal date more clear/match blog post

See merge request !11482

Remove references to '/ci' path while describing Runner's registration

See merge request !10518

Fix root groups redirecting to group owner

Closes #32474

See merge request !11465

Fix: Deleting an invited member causes 500 error

Closes #32504

See merge request !11481

Resolve "TestEnv#set_repo_refs fails to update refs sometimes"

Closes #31562

See merge request !11253

Fix Knapsack report names for RSpec and Spinach

See merge request !11477

Don't blow up when a tree readme is empty and consequently has no rich viewer

Closes #32396

See merge request !11459

Incorporate Gitaly's local_branches operation into repo code

Closes #27379

See merge request !10059

Fix linking to unresolved/expanded diff note

Closes #32424

See merge request !11458