Mention removal of redundant indexes when adding index

See merge request gitlab-org/gitlab!27100

When a new composite index is added, it might make an existing index
redundant.  So when adding an index, these redundant indexes should be
removed in the same migration.

Resolve "Add metrics for the size of the diff cache in redis"

Closes #37456

See merge request gitlab-org/gitlab!27048

I believe "in" is meant to be "is" here.

See merge request gitlab-org/gitlab!27186

Fix Conan package presenter to find correct files

See merge request gitlab-org/gitlab!27250

Conan::PackagePresenter now checks package
files to ensure the correct conan_package_reference
files are being returned in requests fixing a bug
where the first file by name was returned no matter
what request was made.

Update puma workers

See merge request gitlab-org/gitlab!27311

Make documentation a throughput label

See merge request gitlab-org/gitlab!26229

Releases Direct Links documentation

See merge request gitlab-org/gitlab!26370

Part of https://gitlab.com/gitlab-org/gitlab/issues/199065

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/26760

Add requirements index action

See merge request gitlab-org/gitlab!27205

Enable Redis cache key compression

Closes #198586

See merge request gitlab-org/gitlab!27254

Revert "Change iid argument to ID_TYPE for graphQL queries"

Closes #208394

See merge request gitlab-org/gitlab!27316

Add tab navigation to the package registry list view

See merge request gitlab-org/gitlab!26820

Fix rails console

See merge request gitlab-org/gitlab!27319

Make group_level_cycle_analytics enabled by default

See merge request gitlab-org/gitlab!27304

Support Version 2 Feature Flags in API POST, PUT, and DELETE

See merge request gitlab-org/gitlab!27026

Hide behind feature flag

Small refactor to DRY spec actions

See merge request gitlab-org/gitlab!27284

Document Dynamic child pipelines

See merge request gitlab-org/gitlab!26648

- Add docs to parent/child pipelines
- Add docs to yaml reference

Support `bulk_upsert!` and `skip_duplicates`

See merge request gitlab-org/gitlab!27215

Add job title to user profile

See merge request gitlab-org/gitlab!25155

27880 Make release notes optional and do not delete release when they are removed

See merge request gitlab-org/gitlab!26231

- Revert frontend changes in
gitlab.com/gitlab-org/gitlab/-/merge_requests/26171
- Type in iid arguments reverted to String

Gitlab::Shell.new.version no longer works. It needs to be:

Gitlab::Shell.version

- Revert changes in
gitlab.com/gitlab-org/gitlab/-/merge_requests/26171
- Type in iid arguments reverted to STRING_TYPE

Remove a second sql query for already loaded project in search#show

See merge request gitlab-org/gitlab!27282

Add cross-stage dependency to issue template

See merge request gitlab-org/gitlab!26683

- Describe number of workers
- Describe number of threads

Tidied header field generation
Created shared util for determining header fields
Updated snapshot test

Define `tags:` globally for all jobs

See merge request gitlab-org/gitlab!27208