Migrated github actions to v4 (#5)

Author: itisallgood

.github/workflows/test-installation.yaml

@@ -17,7 +17,7 @@ jobs:
             poetry build
             pip3 install ./dist/robusta_cli-0.0.0-py3-none-any.whl
         - name: Upload robusta package artifact
-          uses: actions/upload-artifact@v2
+          uses: actions/upload-artifact@v4
           with:
             name: robusta-pkg
             path: dist/robusta_cli-0.0.0-py3-none-any.whl
@@ -39,7 +39,7 @@ jobs:
           with:
             python-version: ${{ matrix.python-version }}
         - name: Download robusta-pkg
-          uses: actions/download-artifact@v2
+          uses: actions/download-artifact@v4
           with:
             name: robusta-pkg
         - name: Install and test robusta cli