Only commit and push translation link updates if there are changes

Author: tsadler1988

.github/workflows/publish-to-website.yml

@@ -30,8 +30,7 @@ jobs:
             node update_links_in_translations.js
             git config --local user.name "github-actions[bot]"
             git config --local user.email "41898282+github-actions[bot]@users.noreply.github.com"
-            git commit -am "Update Links in Translations"
-            git push
+            git diff --quiet || git commit -am "Update Links in Translations" && git push
       - name: Checkout innersourcecommons.org
         uses: actions/checkout@v2
         with: