Add identity to documentation Action

.github/workflows/documentation.yml

@@ -15,6 +15,9 @@ jobs:
       uses: actions/setup-node@v2
       with:
         node-version: 14.x
-    - run: |
+    - name: Redeploy documentation
+      run: |
+        git config --global user.email "noreply@example.com"
+        git config --global user.name Documentation
         npm install
         npm run docs:deploy