Fix the working-directory

Author: seneyu

.github/workflows/mlflow-js.yaml

@@ -11,9 +11,8 @@ jobs:
         uses: actions/setup-node@v4
         with:
           node-version: '22.7'
-      - name: Install dependencies
-        run: npm ci
-      - name: Eslint
-        run: npm run lint
-      - name: Build
-        run: npm run build
+      - name: Install and build
+        working-directory: ./mlflow
+        run: |
+          npm ci
+          npm run build