use git-auto-commit-action

.github/workflows/fetch-now.yml

@@ -9,8 +9,10 @@ defaults:
     shell: bash
 
 jobs:
-  fetch-and-post-tempest:
+  fetch-now-page:
     runs-on: ubuntu-latest
+    permissions:
+      contents: write
     steps:
       - name: Checkout
         uses: actions/checkout@v2
@@ -20,11 +22,8 @@ jobs:
             "https://api.omg.lol/address/${{ secrets.OMG_ADDR }}/now" | \
             jq -r .response.now.content > now.md
       - name: Commit Now Page
-        run: |
-          git config --global user.email "<>"
-          git config --global user.name actions-user
-          if ! git diff --exit-code; then
-            git add now.md
-            git commit -m "Update now.md"
-            git push
-          fi
+        uses: stefanzweifel/git-auto-commit-action@v4
+        with:
+          commit_message: 'fetch /now page'
+          file_pattern: 'now.md'
+