Don't run on dependabot branch.

.github/workflows/frontend-tests.yml

@@ -7,19 +7,9 @@ on: [push]
 jobs:
   test:
     runs-on: ubuntu-latest
+    if: ${{ github.actor != 'dependabot[bot]' }}
 
     steps:
-      -
-        name: Fail if Dependabot
-        if: github.actor == 'dependabot[bot]'
-        run: |
-          cat <<EOF >&2
-          Frontend tests skipped because Dependabot can't access secrets.
-          Manually re-run the jobs to run the frontend tests.
-          For more information, see:
-          https://github.blog/changelog/2021-02-19-github-actions-workflows-triggered-by-dependabot-prs-will-run-with-read-only-permissions/
-          EOF
-          exit 1
       -
         name: Generate Sauce Labs strings
         id: sauce_strings