Sign off GHA commit

Signed-off-by: Jing Chen <[email protected]>

Author: jgchn

.github/workflows/run-examples.yml

@@ -103,5 +103,5 @@ jobs:
         git config --local user.email "${{ github.actor_id }}+${{ github.actor }}@users.noreply.github.com"
         git status
         git add tests/results/
-        git diff --cached --quiet || git commit -m "github-actions[bot]: Updated results file when running examples on $(date)"
+        git diff --cached --quiet || git commit -S -s -m "github-actions[bot]: Updated results file when running examples on $(date)"
         git push