Backport from EE: Fixed DestroyService spec to actually test if removal was successful

See merge request !12437

Hint about the wiki page hook actions (doc)

Closes #34242

See merge request !12427

Remove bin/ci/upgrade.rb

Closes #34207

See merge request !12414

Fix click not being able to find the current element to use trigger('click') instead

Closes #34302

See merge request !12447

Drop GFM support for issuable title on milestone

Closes #34289

See merge request !12444

Change composer update to install to follow PHP/composer best practice

See merge request !12400

Revert "Annotate" to "Blame"

See merge request !12401

Suppress Vue tips when running Karma

See merge request !12379

Add additional user and email services

See merge request !12125

Replace 'profile/notifications.feature' spinach test with an rspec analog

See merge request !12345

Fix pipeline status when allowed to fail jobs present

Closes #29059

See merge request !11166

Fixes ctrl+enter not submit issue edit form

Closes #33758

See merge request !12422

Use grpc 1.4.0

Closes omnibus-gitlab#2414

See merge request !12387

Improve performance for pipeline charts

Closes #32407

See merge request !12378

Show group name instead of path on group page

See merge request !12391

Perform project housekeeping after importing projects

Closes #34019

See merge request !12323

Add support for multiple tooltips in the same Vue component

Closes #33223

See merge request !11954

This is not ammended to another commit as it will probably have failing
tests which I'll fix and amend to this commit.

Resolve "Replace 'Settings ➔ CI/CD Pipelines' with 'Settings ➔ Pipelines' in docs"

Closes #34264

See merge request !12433

Fix interpolation in app/views/profile/show.html/haml

See merge request !12439

Closes #33758

Don't match tilde and exclamation mark as part of requirements.txt package name

Closes #34166

See merge request !12431

Add User#full_private_access? to check if user has access to all private groups & projects

Closes #31745

See merge request !12373

Fix breadcrumb order

Closes #33938

See merge request !12322