Make deploy keys table more clearly structured

Closes #41082

See merge request gitlab-org/gitlab-ce!18279

Resolve "Inform users of up to $500 offer for GCP account"

Closes #43469

See merge request gitlab-org/gitlab-ce!18684

Add notice to current fe guide about new fe guide

Closes #46067

See merge request gitlab-org/gitlab-ce!18781

Resolve "Issue Boards List Heading Label chooses Wrong Text Color"

Closes #36983

See merge request gitlab-org/gitlab-ce!18786

Resolve "Clean up bottom status bar Web IDE"

Closes #44833

See merge request gitlab-org/gitlab-ce!18756

Add update guide for 10.8

See merge request gitlab-org/gitlab-ce!18695

Improved commit message body rendering

See merge request gitlab-org/gitlab-ce!18725

Backport of 1481-changing-weight-values-should-trigger-system-notes

See merge request gitlab-org/gitlab-ce!18699

Add CI_COMMIT_MESSAGE, CI_COMMIT_TITLE and CI_COMMIT_DESCRIPTION predefined variables

Closes #20400

See merge request gitlab-org/gitlab-ce!18672

Improve UX For Group Runners

See merge request gitlab-org/gitlab-ce!18649

CE backport of Backports Push Mirrors to CE

Closes #42099

See merge request gitlab-org/gitlab-ce!18715

Cleanup pipeline build stage background migration

Closes #43854

See merge request gitlab-org/gitlab-ce!18778

Fix nginx metric names

Closes #45163

See merge request gitlab-org/gitlab-ce!18770

Client implementation GetRawChanges

See merge request gitlab-org/gitlab-ce!18693

Fix a couple of things in the security template for developers

See merge request gitlab-org/gitlab-ce!18776

Bump Gitaly to 0.98.0

See merge request gitlab-org/gitlab-ce!18740

Various improvements to repository checks

See merge request gitlab-org/gitlab-ce!18484

Part of https://gitlab.com/gitlab-org/gitaly/issues/1138

Hooks were run for wikis, but given the internal API wasn't responding
failures happended, as seen on:
https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/18693