Install cargo-bundle if needed in script/bundle

.github/workflows/ci.yml

@@ -47,7 +47,7 @@ jobs:
         uses: actions/checkout@v2
 
       - name: Create app bundle
-        run: bash ./script/bundle
+        run: script/bundle
 
       - name: Upload app bundle to workflow run
         uses: actions/upload-artifact@v2