chore(deps): bump treosh/lighthouse-ci-action from 9.3.1 to 9.6.8 (#8766)

Bumps [treosh/lighthouse-ci-action](https://github.com/treosh/lighthouse-ci-action) from 9.3.1 to 9.6.8.
- [Release notes](https://github.com/treosh/lighthouse-ci-action/releases)
- [Commits](e0fe113967...2e159d989f)

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

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

.github/workflows/lighthouse-report.yml

@@ -30,7 +30,7 @@ jobs:
           max_timeout: 600
       - name: Audit URLs using Lighthouse
         id: lighthouse_audit
-        uses: treosh/lighthouse-ci-action@e0fe113967eee84b631d526ed18ce001f35fe9e9 # 9.3.1
+        uses: treosh/lighthouse-ci-action@2e159d989f91bb9e399801b3e1ad90bcd4749f75 # 9.6.8
         with:
           urls: |
             https://deploy-preview-$PR_NUMBER--docusaurus-2.netlify.app/