Fix SQL timings for the performance bar

See merge request gitlab-org/gitlab-ce!15181

This fixes some bugs related to forked projects of which the source was deleted.

Closes #39667

See merge request gitlab-org/gitlab-ce!15150

Enable MergeableSelector in scss-lint

See merge request gitlab-org/gitlab-ce!12810

My recent change accidentally changed the reported time from
milliseconds to seconds, resulting in wrong timings being displayed.

Add system hooks user_rename and group_rename

Closes #39596

See merge request gitlab-org/gitlab-ce!15123

We need to close all merge requests coming from the project within the
entire fork network.

Remove Peek's original keyboard shortcut (numpad 0, keycode 96)

See merge request gitlab-org/gitlab-ce!15173

Signed-off-by: Rémy Coutable <remy@rymai.me>

Fix invalid Gitaly ClientPath config

See merge request gitlab-org/gitlab-ce!15159

Avoid regenerating the ref path for the environment

Closes #39752

See merge request gitlab-org/gitlab-ce!15167

Remove white space at bottom of issue boards

Closes #39684

See merge request gitlab-org/gitlab-ce!15166

Add crsf token in axios calls

Closes #39726

See merge request gitlab-org/gitlab-ce!15155

[CE] Refactor controller calls into services

Closes gitlab-ee#3544

See merge request gitlab-org/gitlab-ce!15023

Resolve ""To do" should be "Todos" on Todos list page"

Closes #39417

See merge request gitlab-org/gitlab-ce!15015

Closes #39752

Remove including ee Epics module

See merge request gitlab-org/gitlab-ce!15162

Remove Filesystem check metrics that use too much CPU to handle requests

See merge request gitlab-org/gitlab-ce!15158

Resolve "Add a `merge_request_diff_id` column to `merge_requests`"

See merge request gitlab-org/gitlab-ce!15035

Refactor responsive table styles to support nested error block

See merge request gitlab-org/gitlab-ce!15145

Incorporate Gitaly's OperationService.UserFFBranch RPC

Closes gitaly#693

See merge request gitlab-org/gitlab-ce!15040

Once we migrate existing MRs to have this column, we will be able to get the
latest diff for a single merge request more efficiently, and (more importantly)
get all latest diffs for a collection of MRs efficiently.

We already had this the other way around (merge_request_diffs.merge_request_id),
but this is needed to gather only the most recent diffs for a set of merge
requests.

Update .nvmrc to v9.0.0 (current stable)

See merge request gitlab-org/gitlab-ce!15149