Post-deploy to clean `pending_delete` projects

Closes #20984

See merge request !11044

Fixed the stage title translation in cycle analytics

See merge request !11252

Center all empty states

Closes #30949

See merge request !11249

Center related merge request items horizontally

See merge request !11163

Remove unused toggle from diff discussion diff headers

See merge request !11192

Load tree readme asynchronously

See merge request !11191

Replace old isObject for underscore methods

Closes #30317

See merge request !11124

Tech debt: Creates vue component for loading icon

Closes #31328

See merge request !11167

Resolve "Update gem sidekiq-cron from 0.4.4 to 0.6.0 and rufus-scheduler from 3.1.10 to 3.4.0"

Closes #31554

See merge request !10976

Fix broken margin in pipeline graph

Closes #32077

See merge request !11239

Fix reassigned MR HTML email

See merge request !11238

Print Go version in rake gitlab:env:info

See merge request !11241

Find dropdown-menu before asserting active item in sidebar_spec.rb

See merge request !11246

Filter projects by group on search page

Closes #29489

See merge request !11169

Fixed search terms not highlight

Closes #31997

See merge request !11198

Fixed create label form not working on issue boards in a sub-group project

Closes #31862

See merge request !11182

Use relative paths for group/project/user avatars

Closes #13418 and #19662

See merge request !11001

Update tree_helper.rb to fix #31784, which broken file browse where paths deeper than 6:'/'.

Closes #31784

See merge request !11197

Since this is a cleanup, ran by a post-deploy, there is no need to lookup the
admin to run the cleanup.

Destroying projects can be very time consuming. So instead of destroying them in
the post-deploy, just schedule them and make Sidekiq do the hard work.

They are scheduled in batches of 5000 records. This way the number of database
requests is limited while also the amount data read to memory is limited.

There are many projects in `pending_delete` state, this post-deploy migration
cleans them up.

The script is based on https://gitlab.com/gitlab-org/gitlab-ce/snippets/1648654
and https://gitlab.com/gitlab-org/gitlab-ce/snippets/1611429. The use of these
scripts were described in
https://gitlab.com/gitlab-com/infrastructure/issues/888.

Resolve "Delete `Projects::IssuesController#redirect_old`"

Closes #20517

See merge request !11135

Closes #31997

Fix broken test - load correct data

Closes #32074

See merge request !11237

Use vue file for table pagination component

Closes #31349

See merge request !11210