Add two cluster tests to nightly runs

Author: jianghao0718

.github/workflows/nightly-tests.yml

@@ -0,0 +1,33 @@
+name: Long Running Nightly Tests
+on:
+  schedule:
+  - cron:  '0 0 * * *'
+  workflow_dispatch:
+
+# Get target and source branch from different variables depending on how it was triggered
+env:
+  TARGET_BRANCH: '${{ github.event.inputs.target-branch || github.base_ref }}'
+  SOURCE_BRANCH: '${{ github.event.inputs.source-branch || github.head_ref }}'
+
+jobs:
+  integration-tests:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        jankyJobName:
+        - enterprise2-backup-utils-cluster-binary-backup
+        - enterprise2-backup-utils-cluster-migration
+    steps:
+      - uses: actions/checkout@v3
+        with:
+          fetch-depth: 1
+      - name: Queue ${{ matrix.jankyJobName }} build
+        uses: ./.github/actions/proxy-janky-build
+        id: proxy-janky-build
+        with:
+          janky-token: '${{ secrets.API_AUTH_TOKEN }}'
+          job-name: '${{ matrix.jankyJobName }}'
+          branch-name: '${{ github.ref_name  }}'
+          force : "true"
+          # enterprise2 target branch is same as target branch for PR (either master or enterprise-[0-9]*.[0-9]*-release)
+          envVars: "JANKY_ENV_BACKUP_UTILS_BRANCH=${{ github.ref_name }},JANKY_ENV_ENTERPRISE2_BRANCH=${{ github.ref_name }}"