Move formatting workflow to ci.yml

Author: andreasnoack

.github/workflows/ci.yml

@@ -20,8 +20,18 @@ jobs:
       - run: exit 1
         if: |
           (needs.test.result != 'success')
+
+  format:
+    name: Format check
+    runs-on: ubuntu-latest
+    steps:
+      - uses: julia-actions/julia-format@v3
+        with:
+          version: '2.1.1'
+
   test:
     name: Julia ${{ matrix.version }} - ${{ matrix.os }} - ${{ matrix.arch }} - ${{ github.event_name }}
+    needs: [format]
     runs-on: ${{ matrix.os }}
     strategy:
       fail-fast: false