Fix encoding issue exporting a project

Closes #31186

See merge request !10824

Guarantee only one state is shown at a time

Closes #31189

See merge request !10835

Replace builds_enabled with jobs_enabled in projects API v4

Closes #31012

See merge request !10786

[ci skip]

Add Fork/Cancel confirmation to "Replace"/"Delete" buttons

Closes #30637

See merge request !10602

Change spec folder to match the assets one

See merge request !10834

Update CI templates to include 9.1 templates

See merge request !10807

Fix https://gitlab.com/gitlab-org/gitlab-ce/issues/30637

Add parameter limit to styleguide

See merge request !10830

Don't run the downtime check on stable branches, or tags/master

See merge request !10794

Kubernetes service namespace

Closes #30445

See merge request !10821

Milestones documentation refactor

See merge request !10812

Adds documentation entry: Don't user forEach, aim for code without side effects

See merge request !10811

Update move icon to match others

Closes #31116

See merge request !10790

Changed milestone.to_reference calls into milestone.title for the show, edit and top views

See merge request !10637

Docs tech articles filetree

Closes #30946

See merge request !10752

Refactor code that creates and destroys project/group members

See merge request !10735

Add email receiver metrics

See merge request !10814

Issue Title Show Focus Check On Load

See merge request !10800

Unassign all Issues and Merge Requests when member leaves a team

Closes #30768 and #24117

See merge request !10755

Update plantuml.md to fix wrong introduced in link.

Closes #31154

See merge request !10806

Refactor into .vue files

See merge request !10788

Add documentation for inactive users in the User cohort

Closes #31195

See merge request !10809

Adds vue js example application and documentation

Closes #30031 and #30030

See merge request !10693