ansys_lab.yml do not fail on no diff

Signed-off-by: paul.profizi <paul.profizi@ansys.com>

.github/workflows/ansys_lab.yml

@@ -72,5 +72,5 @@ jobs:
           git config --global user.name "pyansys-ci-bot"
           git add .
           git status
-          git commit -a -m ${{ inputs.version }}
+          git commit -a -m ${{ inputs.version }} || exit 0
           git push https://${{ secrets.PYANSYS_CI_BOT_TOKEN }}@github.com/ansys/pydpf-core.git --follow-tags