ci: run the generator from its jar instead of an npm wrapper

Author: ariesclark

.github/workflows/build.yaml

@@ -22,7 +22,7 @@ jobs:
           repository: vrchatapi/vrchatapi-javascript
           ref: ${{ inputs.ref || github.ref }}
 
-      - uses: vrchatapi/specification/.github/actions/setup@ci/modernise-actions
+      - uses: vrchatapi/specification/.github/actions/bundle@ci/modernise-actions
 
       - uses: pnpm/action-setup@v6
         with: