Update Check & Deploy workflow

Author: peterstangl

.github/workflows/deploy.yml

@@ -10,7 +10,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout git repository
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
         with:
           submodules: true
           path: _src/
@@ -55,7 +55,7 @@ jobs:
           python3 -m pip install dist/flavio-*.whl
           
       - name: Upload build as artifact
-        uses: actions/upload-artifact@v1
+        uses: actions/upload-artifact@v4
         with:
           name: flavio-dist-${{ github.sha }}
           path: dist