Fix invalid SSL certificate errors on Drone CI service

See merge request gitlab-org/gitlab-ce!30422

Some services can raise OpenSSL::X509::CertificateError due
to an invalid SSL certificates, with OpenSSL::OpenSSLError
we can handle these errors.

Add queue_size method to ApplicationWorker

See merge request gitlab-org/gitlab-ce!30416

Edit text, using correct terms

See merge request gitlab-org/gitlab-ce!30382

Added experimental languages to license management docs.

See merge request gitlab-org/gitlab-ce!29932

Fix failing e2e tests - initialize Issue labels

See merge request gitlab-org/gitlab-ce!30375

Fix top position of sticky file header on discussion tab

Closes #63976

See merge request gitlab-org/gitlab-ce!30410

Edit new text on visibility setting

See merge request gitlab-org/gitlab-ce!30281

Documentation: Update installation from source document

See merge request gitlab-org/gitlab-ce!30380

Line 170(make install) causes permission error.
This command should execute with sudo.

Remove unresolved class and fixed height in discussion header

See merge request gitlab-org/gitlab-ce!28440

Docs: Change even more absolute links to relative

See merge request gitlab-org/gitlab-ce!30387

Change assorted absolute links to ce and ee docs
to relative links

Removes EE differences for app/views/layouts/fullscreen.html.haml

Closes gitlab-ee#12550

See merge request gitlab-org/gitlab-ce!30403

Adding order by to list runner jobs api.

Closes #51794

See merge request gitlab-org/gitlab-ce!29629

Backport of https://gitlab.com/gitlab-org/gitlab-ee/merge_requests/14328

See merge request gitlab-org/gitlab-ce!30003

Remove unused Gitaly feature flags

See merge request gitlab-org/gitlab-ce!30302

CE Port: Extend `MergeToRefService` to create merge ref from an arbitrary ref

See merge request gitlab-org/gitlab-ce!30361

CE Port: Split AutoMergeService interfaces into two `cancel` and `abort`

See merge request gitlab-org/gitlab-ce!30249

Create private merge requests in forks

Closes #58583

See merge request gitlab-org/gitlab-ce!29984

Fix call to removed GitPushService

See merge request gitlab-org/gitlab-ce!30222

Removes EE differences for app/views/profiles/preferences/show.html.haml

Closes gitlab-ee#12553

See merge request gitlab-org/gitlab-ce!30397

Fix divergence graph loading error

Closes #64143

See merge request gitlab-org/gitlab-ce!30393

https://gitlab.com/gitlab-org/gitlab-ce/issues/58583

Update dependency @gitlab/ui to ^5.3.2

See merge request gitlab-org/gitlab-ce!30259

Support note position tracing on an image

See merge request gitlab-org/gitlab-ce!30158

This is to prepare for supporing image type position tracing

Remove now unused KubernetesService methods

See merge request gitlab-org/gitlab-ce!29925

Closes https://gitlab.com/gitlab-org/gitlab-ce/issues/64143

Currently, MergeToRefService is specifically designed for
createing merge commits from source branch and target branch of
merge reqeusts. We extend this behavior to source branch and any
target ref paths.