Bump treosh/lighthouse-ci-action from 11 to 12

Bumps [treosh/lighthouse-ci-action](https://github.com/treosh/lighthouse-ci-action) from 11 to 12.
- [Release notes](https://github.com/treosh/lighthouse-ci-action/releases)
- [Commits](treosh/lighthouse-ci-action@v11...v12)

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

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

.github/workflows/lighthouse.yml

@@ -15,7 +15,7 @@ jobs:
       - name: Build
         run: hugo --gc --minify -b "/"
       - name: Run Lighthouse against a static dist dir
-        uses: treosh/lighthouse-ci-action@v11
+        uses: treosh/lighthouse-ci-action@v12
         with:
           # no urls needed, since it uses local folder to scan .html files
           configPath: './.lighthouserc.json'