Update pipeline webhook example response

Closes #53121

See merge request gitlab-org/gitlab-ce!25914

Remove confusing author name from Changelog docs

See merge request gitlab-org/gitlab-ce!25928

Fix the last-ditch memory killer pgroup SIGKILL

See merge request gitlab-org/gitlab-ce!25940

Update cleanup.rake to fix a typo in the error message

See merge request gitlab-org/gitlab-ce!25901

Filter merge requests by target branch

See merge request gitlab-org/gitlab-ce!24380

Align EmailValidator to validate_email gem implementation.

Closes #57352

See merge request gitlab-org/gitlab-ce!24971

Remove select2-rails (select2 is now installed via yarn)

See merge request gitlab-org/gitlab-ce!25929

Docs: intro to CI/CD - fix typos

See merge request gitlab-org/gitlab-ce!25917

Skip gitlab:ui:visual job for docs again

See merge request gitlab-org/gitlab-ce!25922

Revert "Merge branch 'remove-select2-rails' into 'master'"

See merge request gitlab-org/gitlab-ce!25920

Fix gl-loading-icon bug before gitlab-ui update

See merge request gitlab-org/gitlab-ce!25683

This reverts merge request !17871

Fixed sticky bar styling in Safari

Closes #58625

See merge request gitlab-org/gitlab-ce!25913

In the example response we have builds with status `success` but the
property `runner` is null, which is not a realistic representation of
the response. The runner is always sent if the build has ran.

closes https://gitlab.com/gitlab-org/gitlab-ce/issues/53121

Closes https://gitlab.com/gitlab-org/gitlab-ce/issues/58625

Externalize admin deploy keys strings

See merge request gitlab-org/gitlab-ce!24712

CE FE Refactor dashboard gold trial callouts

See merge request gitlab-org/gitlab-ce!25483

Disallow reopening of locked merge request

Closes #56864

See merge request gitlab-org/gitlab-ce!24882

Fixes #56864

Remove unnecessary license check in operations controller

See merge request gitlab-org/gitlab-ce!25728

Resolve "Project template for Android"

Closes #58649

See merge request gitlab-org/gitlab-ce!25870

Skip visual test in master branch

See merge request gitlab-org/gitlab-ce!25907

remove select2-rails (select2 is now installed via yarn)

Closes #36711

See merge request gitlab-org/gitlab-ce!17871

Add support for ingress hostnames

Closes #58244, #56158, and #46691

See merge request gitlab-org/gitlab-ce!25181

Refactor CI/CD landing page from feedback

See merge request gitlab-org/gitlab-ce!25905

Vendored templates for security products EE (follow-up after Dependency Scanning template)

See merge request gitlab-org/gitlab-ce!25888

Update Dependency Scanning and add other templates

Add and restructure external resources and examples

Closes #58041

See merge request gitlab-org/gitlab-ce!25588

Also refactors and combines resources and examples.