Uses loading button for better UX

[ci skip] Merge branch 'master' into 43770-change-clear-runners-cache-ujs-action-to-an-axios-request

* master: (97 commits)
  Remove common_vue bundle
  Gitlab::Utils - backport `.ensure_array_from_string` from EE
  Fix false positive spec of using digest instead of hexdigest
  Change queue namespace of UpdateHeadPipelineForMergeRequestWorker
  prefer checking explicitly for null
  replace fixture with simple mount point
  add new tests for metrics dashboard changes
  Set sha256 checksum when archiving traces
  Move update_head_pipeline_for_merge_request queue to pipeline_processing namespace
  Docs guidelines: cherry-picking commits from CE to EE
  CI charts now include the current day
  New .dedicated-no-docs-pull-cache-job and .no-db-job definitions
  Add date calls in .gitlab-ci.yml to see how long each step take
  move misplaced entry point
  Arg.id via method pointer
  Backport description composition from EE
  Fix a typo, a conflict and improve documentation
  Remove extra breadcrumb on tags
  Lazy fetch parent commits for a commit
  Fix Gitaly n+1 in NetworkController#show
  ...

CI charts now include the current day

Closes #42921

See merge request gitlab-org/gitlab-ce!17032

Make --prune a configurable parameter in fetching a git remote

See merge request gitlab-org/gitlab-ce!17346

Remove common_vue bundle

See merge request gitlab-org/gitlab-ce!17551

Gitlab::Utils - backport `.ensure_array_from_string` from EE

See merge request gitlab-org/gitlab-ce!17574

Gitaly N+1 notice on Banzai filtering

See merge request gitlab-org/gitlab-ce!17540

Merge branch 'move-pipeline_default-update_head_pipeline_for_merge_request-queue-to-pipeline_processing-namespace' into 'master'

Move update_head_pipeline_for_merge_request queue to `pipeline_processing` namespace

Closes #43919

See merge request gitlab-org/gitlab-ce!17572

Set sha256 checksum when archiving traces

Closes #43940

See merge request gitlab-org/gitlab-ce!17570

CE Port: Add `js-` classes in LabelsSelect component

See merge request gitlab-org/gitlab-ce!17558

Cluster monitoring changes CE backport

See merge request gitlab-org/gitlab-ce!17547

Bring one group board to CE

Closes #38337

See merge request gitlab-org/gitlab-ce!17274

Unify lib/api/merge_requests.rb with EE

See merge request gitlab-org/gitlab-ce!17539

Speedup CI jobs

See merge request gitlab-org/gitlab-ce!14911

Docs guidelines: cherry-picking commits from CE to EE

Closes #41338 and #28822

See merge request gitlab-org/gitlab-ce!17367

Refactoring changes to support cluster metrics in EE

Closes #42820

See merge request gitlab-org/gitlab-ce!17336

# Conflicts:
#   app/models/group.rb
#   db/schema.rb

Lazy fetch parent commits for a commit

See merge request gitlab-org/gitlab-ce!17559

Unify lib/api/job_artifacts.rb with EE

See merge request gitlab-org/gitlab-ce!17556

Port of ee translations

See merge request gitlab-org/gitlab-ce!17526

Fix project dashboard showing the wrong timestamps

Closes #27181

See merge request gitlab-org/gitlab-ce!17504

Add archive feature to trace

Closes #43022 and gitlab-ee#4170

See merge request gitlab-org/gitlab-ce!17314

Document required PG extensions

Closes #43798

See merge request gitlab-org/gitlab-ce!17491

Breadcrumbs on Project Tags

Closes #43924

See merge request gitlab-org/gitlab-ce!17562

Resolve "API endpoint for exporting project"

Closes #29130

See merge request gitlab-org/gitlab-ce!15860

This should speed up a bit some jobs.

Also, use ruby:2.4-alpine image in the flaky-examples-check job
Signed-off-by: Rémy Coutable <remy@rymai.me>

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

# Conflicts:
#	spec/models/clusters/applications/prometheus_spec.rb