Align all nav items in sidebar

Closes #36179

See merge request !13392

Fix height of collapsed sidebar items

See merge request !13385

Explain why we use select all for project_url_constrainer.rb

See merge request !13425

Fix Pikaday being undefined

Closes #36207

See merge request !13422

Closes #36207

Simplify checking if objects exist code in new issaubles workers

Closes #36119

See merge request !13365

Add a helper to stub storage settings with defaults

See merge request !13419

update Install from Source instructions

See merge request !13411

Ask for exceptions in advance

See merge request !13409

Don't require stackprof in Gemfile

See merge request !13407

Update docs with i18n info for source installations

Closes #35193

See merge request !13212

If a feature is really really really really important (most aren't), but we
aren't confident that it is ready on the 7th, people can ask for an exception to
the freeze process in advance, and it will be picked once it's merged.

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

Merge branch '34339-user_avatar-url-in-push-event-webhook-json-payload-is-relative-should-be-absolute' into 'master'

Resolve "user_avatar URL in push event webhook JSON payload is relative, should be absolute"

Closes #34339

See merge request !13401

Synchronous Korean translation in zanata

See merge request !13402

there are 3 dots but it says four products. fixed

See merge request !13129

Remove trailing comma in System Hooks payload examples

Closes #36071

See merge request !13367

Add docs on structured logging in GitLab

See merge request !13396

Restore blob fixture for JavaScript tests

Closes #36187

See merge request !13399

[ci skip]

Add rubocop-gitlab-security gem

See merge request !12177

Fix fly-out navigation not showing for active items in collapsed sidebar

See merge request !13353

Fix Profile > Preferences feature specs

See merge request !13382

Remove repo editor feature flag from RC1

See merge request !13379

Fix a broken Events API spec

See merge request !13381

Unset BUNDLE_GEMFILE when installing Gitaly

See merge request !13378

Merge branch '36010-api-v4-allows-setting-a-branch-that-doesn-t-exist-as-the-default-one' into 'master'

Resolve "API v4 allows setting a branch that doesn't exist as the default one"

Closes #36010

See merge request !13359