Remove "whats new" feature flag RUN AS-IF-FOSS

See merge request gitlab-org/gitlab!52020

This commit removes the "whats new" feature flag and enables the feature
for everyone: EE, and CE.

part of:
https://gitlab.com/gitlab-org/gitlab/-/issues/254186

Move Advanced Search Admin Settings to Top Level

See merge request gitlab-org/gitlab!51026

Remove duplicates from related_commit_sha query

See merge request gitlab-org/gitlab!51888

Remove duplicates from vulnerability_occurrences

See merge request gitlab-org/gitlab!49937

Resolve "Allow reviewers to be updated via API"

See merge request gitlab-org/gitlab!51186

Simplify metric definition yml

See merge request gitlab-org/gitlab!51709

  - Remove name attribute, currenlty doesn't add any
  value to metric definition
  - Use key_path for JSON key path,
  location in Usage Ping payload
  - Update docs

Create Dast::Profile model

See merge request gitlab-org/gitlab!51296

Adds new model that groups DastSiteProfile and
DastScannerProfile.

When trying to introduce UUIDv5 in vulnerability_occurrences table we
discovered rows that would introduce duplicate values in the UUID
column. This would violate the UNIQUE constraint we have on that column.
We need to remove those rows before recalculating UUIDs for older
findings.

Create adoption engineering experiment issue template

See merge request gitlab-org/gitlab!52128

Move empty state into the threat monitoring tabs

See merge request gitlab-org/gitlab!51748

Changed wording to match UI

See merge request gitlab-org/gitlab!52161

Edit UI text for protected environments

See merge request gitlab-org/gitlab!52152

Docs: clean up some Vale substitution warnings

See merge request gitlab-org/gitlab!51051

Replaces some shorthand words to enforce standard

The jenkins service was moved to core

See merge request gitlab-org/gitlab!52162

Fix wording in Quick Actions docs

See merge request gitlab-org/gitlab!52142

E2E to open Web IDE from Diff Tab

See merge request gitlab-org/gitlab!51870

Verify it opens ALL files of a multiple file MR
and changes made in Web IDE are reflected in the MR
See https://gitlab.com/gitlab-org/quality/testcases/-/issues/997

Doc pipeline test ordering

See merge request gitlab-org/gitlab!52160

Add a /request_review alias for /assign_reviewer

See merge request gitlab-org/gitlab!51751

Render "Integration Help" HTML in HAML, but reposition it in Vue

See merge request gitlab-org/gitlab!49323

Fix logs tab information in admin area section

See merge request gitlab-org/gitlab!52065

Replaced unused `new-gl-button` with `gl-button`

See merge request gitlab-org/gitlab!51864

Adds docs for worker metadata logging

See merge request gitlab-org/gitlab!51613

- Previously there was no contributor documentation for
log_extra_metadata_on_done which is a useful helper function in order to
get structured logs out of a workers run.

Move "number of changed files" into Web IDE sidebar badge

See merge request gitlab-org/gitlab!51166

Update project avatar preview to be a rectangle

See merge request gitlab-org/gitlab!51511

It missed broken anchors in redirect files