Add ESLint vue rules to detect vue i18n offences

Closes #63560

See merge request gitlab-org/gitlab-ce!31124

Disables the vue-i18n eslint rules for files
that are not able to be autofixed, this will
stop these offences causing pipeline failures
but they will need manual fixing.

Merge deploy keys example to deploy keys API docs

See merge request gitlab-org/gitlab-ce!31600

[CE] Group bulk edit issues/mrs/epics - change label

See merge request gitlab-org/gitlab-ce!31193

- Original EE MR: https://gitlab.com/gitlab-org/gitlab-ee/merge_requests/14827

No reason to keep them separate.

Add possibilty to view starrers ("stargazers") of a repository & any user's starred repositories

Closes #20137

See merge request gitlab-org/gitlab-ce!24690

Add docs for reject_unsigned_commits (premium only)

See merge request gitlab-org/gitlab-ce!31113

Split api resources into it's own doc

See merge request gitlab-org/gitlab-ce!31597

Move the api resources section from the api readme
to it's own file, and adjust/link accordingly

Specify time frame in metrics page

See merge request gitlab-org/gitlab-ce!31283

Pass keyname instead of translated string

Add missing report-uri to CSP config

See merge request gitlab-org/gitlab-ce!31593

Checksum clair executable

See merge request gitlab-org/gitlab-ce!31423

Expose time since starring on project/:id/starrers API endpoint; exclude private profiles here as well

Fix API endpoint for starred projects of a user; add info about starred projects on profile to documentation