Add CI_MERGE_REQUEST_DESCRIPTION env variable

See merge request gitlab-org/gitlab!40771

Merge requests contain their own description which is comparable to a
`git send-mail` cover letter.

If the merge requests contains only a single commit the merge request
description equal commit description per default. If the merge request
contains multiple commits the description is user defined and ideally
contains a summary of the proposed commits.

For CI purposes the merge request description can contain commands
change the CI default behaviour. This is useful to explicitly run
special cases.

The merge request description could contain a control command like the
following:

```
CI-config: USE_SPECIAL_CASE_Z=1
```

The CI script can evaluate those options via the following command:

```
echo "$CI_MERGE_REQUEST_DESCRIPTION" | grep -e "^CI-config:" \
	cut -d ':' -f 2 | tr ' ' '\n' > extra_env
```

This method allow to run corner cases withouth modifying nor bloating
the git log.
Signed-off-by: Paul Spooren <mail@aparcar.org>

Update docs pipeline to use new image

See merge request gitlab-org/gitlab!40808

Docs: Fixed Vale issues

Closes #234932

See merge request gitlab-org/gitlab!40914

Related to: https://gitlab.com/gitlab-org/gitlab/-/issues/234932

Bump doorkeeper to 5.1.1

See merge request gitlab-org/gitlab!40546

Shallow versioning on CI templates for better internal development process

See merge request gitlab-org/gitlab!39418

This commit documents the versioning flow for CI templates

Updated case of runner

See merge request gitlab-org/gitlab!40896

Ensure design comment is highlighted when in URL hash

Closes #225987

See merge request gitlab-org/gitlab!40477

Spell gitalysecret correctly

See merge request gitlab-org/gitlab!40912

Track unique web ide edit action for usage ping

See merge request gitlab-org/gitlab!40246

Rename it to extractDesignNoteId

Also, add a `url` source for active discussion in Apollo

And add tests, and use this new util

Ensures comment is highlighted on entry

- Fixes several wrong spellings of gitalysecret in the reference
  architecture documentation

Related https://gitlab.com/gitlab-org/gitlab-orchestrator/-/issues/194Signed-off-by: Robert Marshall <rmarshall@gitlab.com>

Remove the feature flag for MWPS notification

See merge request gitlab-org/gitlab!39297

Fix SSOT regarding issue boards permissions

Closes #36635

See merge request gitlab-org/gitlab!40849

Document new majority-wins voting strategy

See merge request gitlab-org/gitlab!40832

Drop unused plain javascript file

See merge request gitlab-org/gitlab!40862

Merge branch '235164-sidekiq-storesecurityreportsworker-nomethoderror-undefined-method-key-for-nil-nilclass' into 'master'

Add check for identifiers when creating finding

Closes #235164

See merge request gitlab-org/gitlab!39650

Update dependency @gitlab/ui to v20.12.1

See merge request gitlab-org/gitlab!40887

Remove `skip_hashed_storage_upgrade` feature flag

Closes #33730

See merge request gitlab-org/gitlab!29364

Point users in the right direction for the check commands

See merge request gitlab-org/gitlab!40876

Use base file and remove elements for invalid data

Added tests and test file

Fix false positive spec on PipelineArtifact

See merge request gitlab-org/gitlab!40867

Hide projects pending_delete from the project index

See merge request gitlab-org/gitlab!40035

Add tests to project finder and used the without_deleted
param on the project index page

Merge branch '241362-dast-scanner-profile-library-implementation-iteration-1-add-new-profile-link-frontend' into 'master'

DAST Scanner Profile Library: Add new-profile link

See merge request gitlab-org/gitlab!40469

Use FactoryDefault and let_it_be to speed up merge_request_spec

See merge request gitlab-org/gitlab!39996

Fix convertUnicodeToAscii text utility method

See merge request gitlab-org/gitlab!40737