[Backport release-25.11] sub-store-frontend: 2.16.21 -> 2.16.22

[nixpkgs-ci]

Bot-based backport to release-25.11, triggered by a label in #501783.

Before merging, ensure that this backport is acceptable for the release.

Even as a non-committer, if you find that it is not acceptable, leave a comment.

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[Moraxyc]

@NixOS/nixpkgs-merge-bot merge

[nixpkgs-ci]

@Moraxyc wants to merge this PR.

Requirements to merge this PR with @NixOS/nixpkgs-merge-bot merge:

• ✅ PR targets a development branch.
• ✅ PR touches only files of packages in pkgs/by-name/.
• ✅ PR is at least one of:
  • ⬜ Approved by a committer.
  • ✅ Backported via label.
  • ⬜ Opened by a committer.
  • ⬜ Opened by @r-ryantm.
• ✅ PR is not a draft
• ✅ Moraxyc is a member of @NixOS/nixpkgs-maintainers.
• ✅ Moraxyc is a maintainer of all touched packages.

✔️ Queued for merge (#306934)