feat: Upgrade actions/upload-artifact and actions/download-artifact to version 4

Author: christianboer

.github/workflows/main.yml

@@ -34,7 +34,7 @@ jobs:
         tfx extension create --manifest-globs vss-extension.json --output-path ./dist
 
     - name: Upload artifact
-      uses: actions/upload-artifact@v3
+      uses: actions/upload-artifact@v4
       with:
         name: vsix-package
         path: "dist/*.vsix"
@@ -65,7 +65,7 @@ jobs:
           '.version = $version' \
           vss-extension.json > temp.json && mv temp.json vss-extension.json
     - name: Download artifact
-      uses: actions/download-artifact@v3
+      uses: actions/download-artifact@v4
       with:
         name: vsix-package
         path: dist