Chore: Align cluster service token docs with code

See merge request gitlab-org/gitlab!42252

Internally we set the service account name to `gitlab`
(see https://gitlab.com/gitlab-org/gitlab/-/blob/f5f4e40cbd90b4479b5307eebf1715a92e2944aa/app/services/clusters/kubernetes.rb#L5-8).
We should align the docs to the naming scheme used internally.

Separate iteration tests into their own groups

Closes #249173

See merge request gitlab-org/gitlab!42262

Replace complete with merged in MR Analytics docs

See merge request gitlab-org/gitlab!42281

After some discussion we decided that it makes sense to use the phrase
"merge requests merged" instead of "merge requests completed". This
updates the documentation to reflect.

Make Daemon Memory Killer be the default for Sidekiq

See merge request gitlab-org/gitlab!41847

Update link to permissions

See merge request gitlab-org/gitlab!42260

Update EKS versions

See merge request gitlab-org/gitlab!42271

Update EKS instructions

See merge request gitlab-org/gitlab!42274

Add activity graph to Product Analytics

See merge request gitlab-org/gitlab!38156

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>

MR API: Allow `allow_{collaboration,maintainer_to_push}` to be updated

See merge request gitlab-org/gitlab!41088

Add gl-button to admin/users dir

See merge request gitlab-org/gitlab!42022

Update MR index to include id

See merge request gitlab-org/gitlab!42222

Remove redundant code

See merge request gitlab-org/gitlab!42250

Remove coverage_report_view feature flag

See merge request gitlab-org/gitlab!42094

Merge branch 'Replace-GlDeprecatedDropdown-with-GlDropdown-in-app/assets/javascripts/vue_shared/components/filtered_search_bar/tokens/author_token.vue' into 'master'

Replace gl deprecated dropdown with gl dropdown in app/assets/javascripts/vue shared/components/filtered search bar/tokens/author token.vue

See merge request gitlab-org/gitlab!41432

Replace gl deprecated dropdown with gl dropdown in app/assets/javascripts/vue shared/components/filtered search bar/tokens/author token.vue

Use correct upload endpoint for group wikis

See merge request gitlab-org/gitlab!40985

Support moving issue between epics

See merge request gitlab-org/gitlab!41790

On an issue board, epics act as "horizontal lists"/swimlanes.
This enables moving an issue between epic swimlanes by extending
an existing iseueMoveList mutation.

Increase pypi required_python field size to 255

Closes #241492

See merge request gitlab-org/gitlab!41018

Note re. publishing Composer packages to different projects

See merge request gitlab-org/gitlab!42171

This adds the gl-button class to the
haml views in admin/users

Change how flipping features creates Geo event

Closes #247535

See merge request gitlab-org/gitlab!42070

Replacing deprecated dropdown on time/date picker

Closes #233585

See merge request gitlab-org/gitlab!42103

Don't apply Ctrl+P MR keyboard shortcut on Mac

See merge request gitlab-org/gitlab!42240

Add the Query Apdex Prometheus metric to usage ping

See merge request gitlab-org/gitlab!39256

Add user mapping by username to Bitbucket Server importer

Closes #218609

See merge request gitlab-org/gitlab!36885

Document internal api for kubernetes agent

See merge request gitlab-org/gitlab!42053

Also document how the JWT auth works. Also add YAML docs for the feature
flag (ops type).