meta: bump treosh/lighthouse-ci-action from 11.4.0 to 12.6.1 (#7919)

Bumps [treosh/lighthouse-ci-action](https://github.com/treosh/lighthouse-ci-action) from 11.4.0 to 12.6.1.
- [Release notes](https://github.com/treosh/lighthouse-ci-action/releases)
- [Commits](treosh/lighthouse-ci-action@1b0e7c3...fcd6597)

---
updated-dependencies:
- dependency-name: treosh/lighthouse-ci-action
  dependency-version: 12.6.1
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

.github/workflows/lighthouse.yml

@@ -87,7 +87,7 @@ jobs:
       - name: Audit Preview URL with Lighthouse
         # Conduct the lighthouse audit
         id: lighthouse_audit
-        uses: treosh/lighthouse-ci-action@1b0e7c33270fbba31a18a0fbb1de7cc5256b6d39 # v11.4.0
+        uses: treosh/lighthouse-ci-action@fcd65974f7c4c2bf0ee9d09b84d2489183c29726 # v12.6.1
         with:
           # Defines the settings and assertions to audit
           configPath: './.lighthouserc.json'