Update nightly job to trigger build workflow

Author: narendasan

.github/workflows/nightlies.yml

@@ -10,9 +10,10 @@ jobs:
     runs-on: ubuntu-latest
     timeout-minutes: 60
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v2
         with:
           ref: main
+          persist-credentials: false
       - name: Create nightly commit
         shell: bash
         run: |
@@ -24,4 +25,4 @@ jobs:
           # shellcheck disable=SC1083
           NIGHTLY_RELEASE_COMMIT=$(git commit-tree -p FETCH_HEAD HEAD^{tree} -m "${NIGHTLY_DATE} nightly release (${HEAD_COMMIT_HASH})")
           # shellcheck disable=SC1083
-          git push -f origin "${NIGHTLY_RELEASE_COMMIT}:nightly"
+          git push -f origin "${NIGHTLY_RELEASE_COMMIT}:nightly"