Removed vue and vue-resource from poll_spec in an attempt to fix the transient failures relating to async timeout

Security patches -> `master`

See merge request !11230

Merge branch '31474-issue-boards-sidebar-milestone-dropdown-should-not-be-multi-select' into 'master'

Resolve "Issue boards sidebar milestone dropdown should not be multi select"

Closes #31474

See merge request !11084

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

Use GroupsFinder to find subgroups the user has access to

See merge request !2096

New Hamlit XSS fix, does not include extraneous changes

See merge request !2095

Refactor snippets finder & dont return internal snippets for external users

See merge request !2094

Fix XSS in branches dropdown

See merge request !2093

Respect project features in wiki and blob search

See merge request !2089

Fix snippets visibility for show action - external users can not see internal snippets

See merge request !2087

Sanitize submodule URLs before linking to them in the file tree view

See merge request !2084

(security-9-1) Add correct `rel` attributes to external links when rendering markdown

See merge request !2097

(security-9-1) Render asciidoc & other markup using banzai in a pipeline

See merge request !2098

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