Lower multipart log threshold from 500 MB to 100 MB

See merge request gitlab-org/gitlab!56390

This also makes the threshold configurable via an environment variable
`RACK_MULTIPART_LOGGING_BYTES`.

This will help identify uploads in
https://gitlab.com/gitlab-com/gl-infra/infrastructure/-/issues/12802.

Update feature flag documentation for compliance framework

See merge request gitlab-org/gitlab!56253

Moving process docs for feature flags to handbook

See merge request gitlab-org/gitlab!55891

- the feature flag working group is consolidating and clarifying the
  existing feature flag documentation. See
https://gitlab.com/gitlab-org/gitlab/-/issues/249129#note_523228764 for
more details. This commit removes the process documentation and
https://gitlab.com/gitlab-com/www-gitlab-com/-/merge_requests/76630
moves it to the handbook.

Remove user profile doc link

See merge request gitlab-org/gitlab!56393

Use a default branch that's not "master" in template

See merge request gitlab-org/gitlab!55949

Remove Starter reference from Project page

See merge request gitlab-org/gitlab!56251

Remove Starter references from Project page.

Update the maven package finder

See merge request gitlab-org/gitlab!56346

Remove .block class from right sidebar blocks

See merge request gitlab-org/gitlab!55886

Rubygems dependencies endpoint

See merge request gitlab-org/gitlab!55917

Adds rubygems dependency resolver service
and route to return dependencies for
requested gems.

Allow anonymous access to public Conan packages

See merge request gitlab-org/gitlab!54047

- Allow access to ping endpoint without a token
- Allow access to download endpoints without a token, if the project
  is public
- Instead of throwing UnauthorizedError when no token is provided,
  continue with anonymous privileges
- Update tests to reflect the above changes
- Add test for downloading without a token

Start removing extends from SCSS

See merge request gitlab-org/gitlab!55447

Rename with_scanners to with_scanner_external_ids

See merge request gitlab-org/gitlab!56283

Add headers to test report widget

See merge request gitlab-org/gitlab!56252

Allow users to specify environment tier via .gitlab-ci.yml

See merge request gitlab-org/gitlab!55723

Geo: Fix syncing direct download remote stored Blobs

See merge request gitlab-org/gitlab!55775

Use gitlab-fog-google instead of upstream fog-google gem

See merge request gitlab-org/gitlab!56245

Fix mismatched custom vue event names

See merge request gitlab-org/gitlab!55958

Ensure that the custom emitted events for
the type of work chart labels filters are
consistent

Create single component for Pipeline Mini Graph

See merge request gitlab-org/gitlab!55199

Fix RuboCop offenses for Style/ClassEqualityComparison

See merge request gitlab-org/gitlab!56227

Clean up anchor in Backup docs

See merge request gitlab-org/gitlab!56363

Update two autodevops template references to default branch

See merge request gitlab-org/gitlab!56304

Merge branch '300351-es-migration-add-permission-data-to-notes-attempt-3-as-indexed-json-changes' into 'master'

Delete orphaned notes from Elasticsearch index

See merge request gitlab-org/gitlab!56162

Move recursive namespace query to INNER JOIN [RUN ALL RSPEC] [RUN AS-IF-FOSS]

See merge request gitlab-org/gitlab!56078

Add comments to Jira issues

See merge request gitlab-org/gitlab!56069

Fix typo in Workhorse readme

See merge request gitlab-org/gitlab!56366

Update docs for retarget MRs

See merge request gitlab-org/gitlab!56335

This ensures that:
- it is ready for production use
- documents `remove source branch` caveat

Move expectation out of `before` block

See merge request gitlab-org/gitlab!56268

Update to re-add QA selectors

See merge request gitlab-org/gitlab!56324

Ensure Project Approvals attributes (and API) casts to boolean

See merge request gitlab-org/gitlab!55492