chore: Add test workflow for github_actions_scan (#2)

Author: jalseth

.github/workflows/test_github_actions_scan.yml

@@ -0,0 +1,17 @@
+name: 'TEST GitHub Actions Scan'
+
+on:
+  pull_request:
+    branches:
+      - 'main'
+
+permissions:
+  contents: 'read'
+  id-token: 'write'
+
+jobs:
+  test-zizmor-scan:
+    uses: 'google-gh-automation/workflows/.github/workflows/github_actions_scan.yml@main'
+    with:
+      wif_provider: 'projects/763312321262/locations/global/workloadIdentityPools/gitsec-gha-artifacts/providers/gitsec-gha-artifacts-provider'
+      zizmor_result_bucket: 'zizmor-43e4'