Add Gitea org project fix reference

[cookesan]

Adds Gitea org project fix reference to GHSA-rw22-5hhq-pfpf.

Audit refresh, July 8, 2026:

• Confirmed the live PR is open, ready for review, merge-clean, and the visible advisory check is green.
• Rechecked the merge-base diff: exactly one advisory JSON file changes (advisories/github-reviewed/2026/01/GHSA-rw22-5hhq-pfpf/GHSA-rw22-5hhq-pfpf.json), JSON parses, git diff --check passes, and the exact-head worktree is clean.
• Revalidated the added public references in the diff; all resolve through their source site or registry.

[cookesan]

Refreshed on July 8, 2026:

• GHSA-rw22-5hhq-pfpf and CVE-2026-20750 remain public and consistent with this advisory.
• Verified go-gitea/gitea PRs #36318 and #36373, commits 7b5de594cd92e30b9c3d40ffda119acad794cc64 and 5fe9703586cd4348d6823f40733818529ef120e0, release v1.25.4, and the Go module proxy record for github.com/go-gitea/gitea v1.25.4.
• Local validation passed: jq empty and git diff --check.

No affected range, package, or severity changes are included.