use same push process as in fix-linting

.github/workflows/build-json-files-and-md-cache.yml

@@ -15,6 +15,7 @@ jobs:
       - uses: actions/checkout@v3
         with:
           fetch-depth: 0 # Don't do a shallow clone
+          token: ${{secrets.NF_CORE_BOT_AUTH_TOKEN}} # Needed for pushing back to the repo
 
       # install npm dependencies
       - name: Set up node.js
@@ -71,11 +72,13 @@ jobs:
       # Commit and push the changes if there are not too many lines changed
       - name: Commit and push changes
         if: ${{ !steps.check_lines.outputs.changes }}
-        uses: EndBug/add-and-commit@v9
-        with:
-          default_author: user_info
-          author_name: nf-core-bot
-          author_email: core@nf-co.re
+        run: |
+          git config user.email "core@nf-co.re"
+          git config user.name "nf-core-bot"
+          git config push.default upstream
+          git status
+          git diff --quiet || (git commit -am "[automated] Update json files and markdown cache" && git push)
+
 
       # Create a PR if there are too many lines changed
       - name: Create PR with changes