test(e2e): Don't run optional E2E tests on Dependabot PRs (#12818)

Author: Lms24

.github/workflows/build.yml

@@ -1119,7 +1119,8 @@ jobs:
     # See: https://github.com/actions/runner/issues/2205
     if:
       always() && needs.job_e2e_prepare.result == 'success' &&
-      (github.event_name != 'pull_request' || github.event.pull_request.head.repo.full_name == github.repository)
+      (github.event_name != 'pull_request' || github.event.pull_request.head.repo.full_name == github.repository) &&
+      github.actor != 'dependabot[bot]'
     needs: [job_get_metadata, job_build, job_e2e_prepare]
     runs-on: ubuntu-20.04
     timeout-minutes: 10