Don't cache a nil repository root ref to prevent caching issues

See merge request gitlab-org/gitlab-ce!17179

Fix order dependencies in some specs

Closes #43296

See merge request gitlab-org/gitlab-ce!17189

Our automatically-generated project paths are of the form project<N>. If a spec
manually specifies a project path of that form, it may conflict with the
automatically-generated paths in some circumstances.

Remove more route-based chunks from dispatcher.js

See merge request gitlab-org/gitlab-ce!16901

Resolve "Monaco service workers do not work with CDN enabled"

Closes #42641

See merge request gitlab-org/gitlab-ce!17021

Show loading button inline in MR widget

See merge request gitlab-org/gitlab-ce!17174

Resolve "Combine all rake based lints in one rake process in CI"

Closes #42050

See merge request gitlab-org/gitlab-ce!16732

Resolve "spec/requests/api/project_import_spec.rb fails"

Closes #43345

See merge request gitlab-org/gitlab-ce!17184

[ci skip]

Update GCP install instructions to utilize a standard VM

Closes #43322

See merge request gitlab-org/gitlab-ce!17167