Docs: Fixed here links and added metadata

See merge request gitlab-org/gitlab-runner!2425

Related to: https://gitlab.com/gitlab-org/technical-writing/-/issues/253

Minor edits of recent edits

See merge request gitlab-org/gitlab-runner!2423

Docs: Edits for Vale rules and other style

See merge request gitlab-org/gitlab-runner!2420

Support 'canceling' remote job status.

See merge request gitlab-org/gitlab-runner!2377

Documentation: Add log level mention to troubleshooting

See merge request gitlab-org/gitlab-runner!2419

Running this test multiple times can result in flaky failures because we
can call `UpdateJob` for incremental updates.

For example running `go test -v -run TestSendPatchAbort -count=100
./network/` constantly failed.

The rails application can send `canceling` status code now for trace patches
and job updates. At the moment we handle it the same by canceling the
job context, but in the future we want to have it run the `after_script`
if we we get the `canceling` status.

`canceling`: Graceful termination of the job, by running the
`after_script`.
`canceled`: Abort the job stop everything and don't run `after_script`.

The running of the `after_script` will be done in https://gitlab.com/gitlab-org/gitlab-runner/-/merge_requests/2350

reference https://gitlab.com/gitlab-org/gitlab/-/issues/15603
reference https://gitlab.com/gitlab-org/gitlab-runner/-/issues/4843

* 13-4-stable:
  Update CHANGELOG for v13.4.0

Remove contractions linting rule

See merge request gitlab-org/gitlab-runner!2421

Use newest helper image version in tests

Closes #25652

See merge request gitlab-org/gitlab-runner!2223

Add troubleshooting about windows mapped drives

See merge request gitlab-org/gitlab-runner!2415

Changing Kubernetes executor service-account command

See merge request gitlab-org/gitlab-runner!2312

Docker version requirements in Windows Server

See merge request gitlab-org/gitlab-runner!2401

Update default install docs to disable skel

See merge request gitlab-org/gitlab-runner!2402

New users keeps getting tripped over when trying to install the runner
especially when running on new versions of Ubuntu/Debian. Update the
default instructions to we disable skel until this removed by default in
https://gitlab.com/gitlab-org/gitlab-runner/-/issues/4845

Setup secure jobs

See merge request gitlab-org/gitlab-runner!1897

Fix path separator for CI_PROJECT_DIR in Windows in bash shells

Closes #2841 and #4524

See merge request gitlab-org/gitlab-runner!1977

Docs: Updating metadata

See merge request gitlab-org/gitlab-runner!2405

Docs: Update docker tables to clarify what's supported

See merge request gitlab-org/gitlab-runner!2404

Relates to https://gitlab.com/gitlab-org/gitlab/-/issues/20936

Add basic fuzz tests as part of dogfooding coverage guided fuzzing

See merge request gitlab-org/gitlab-runner!2347

Test for detecting overriding of CI server values

Closes #26899

See merge request gitlab-org/gitlab-runner!2403

Related to: https://gitlab.com/gitlab-org/gitlab/-/issues/247288

Document vargrant-parallels plugin and add clone instructions

See merge request gitlab-org/gitlab-runner!2399

Document a required plugin and add some
relatively obvious details about context
surrounding `make deps`