upgrade download-artifact workflow

Author: bisgaard-itis

.github/workflows/build-python-client.yml

@@ -83,7 +83,7 @@ jobs:
           restore-keys: |
             ${{ runner.os }}-pip
       - name: Download wheels
-        uses: actions/download-artifact@v3
+        uses: actions/download-artifact@v4
         with:
           name: osparc_python_wheels
           path: clients/python/artifacts/dist/
@@ -122,7 +122,7 @@ jobs:
           restore-keys: |
             ${{ runner.os }}-pip
       - name: Download wheels
-        uses: actions/download-artifact@v3
+        uses: actions/download-artifact@v4
         with:
           name: osparc_python_wheels
           path: clients/python/artifacts/dist/

.github/workflows/publish-python-client.yml

@@ -25,7 +25,7 @@ jobs:
         run: |
           make devenv
       - name: Download wheels
-        uses: actions/download-artifact@v3
+        uses: actions/download-artifact@v4
         with:
           name: osparc_python_wheels
           path: osparc_python_wheels/