Allow users to subscribe to group labels on the group labels page

Closes #33991

See merge request !12402

Replaces 'dashboard/todos' spinach with rspec

See merge request !12453

Store merge request ref_fetched status in the database

Closes #34052

See merge request !12424

Fix optional arugments for POST :id/variables

Closes #34282

See merge request !12474

Handle missing pipeline in merge request widget

Closes #32987

See merge request !12127

Polish sidebar toggle

Closes #28046

See merge request !12242

Always use declared_params(include_missing: false)
so that we don't give nils for optional arguments

Drop GFM support for the title of Milestone/MergeReuqest in template

Closes #34309

See merge request !12451

Bump bootsnap to 1.1.1

Closes #34084

See merge request !12425

[ci skip]

Fix an uncaught throw in the ee_compat_check job

Closes #33600

See merge request !12123

Remove unused Gitlab::Git::Commit#to_diff argument

See merge request !12466

Tag a spec as :nested_groups since it fails on MySQL

See merge request !12459

make accepting mrs more prominent

See merge request !12446

Merge branch '34286_add_esperanto_translations_for_cycle_analytics_and_project_and_repository_pages' into 'master'

Add Esperanto translations for Cycle Analytics, Project, and Repository pages

Closes #34286

See merge request !12442

Top navigation redesign

Closes #34022, #34035, #34037, #34038, and #34021

See merge request !12214

Bump premailer-rails gem to 1.9.7 and its dependencies to prevent network retrieval of assets

Closes #34231

See merge request !12456

Add explicit message when no runners on admin

Closes #33846

See merge request !12266

Truncate long job names in environment view; wrap author to next line

Closes #34320

See merge request !12455

Replace 'dashboard/merge_requests' spinach with rspec

See merge request !12440

Fix endpoint not being update correctly

Closes #33546

See merge request !12449

Fix bug where Service `created_at` time was used instead of deployment time.

Closes #33933

See merge request !12395

Update GITLAB_SHELL_VERSION to 5.0.6

See merge request !12450