Update .forgejo/workflows/build.yaml

.forgejo/workflows/build.yaml

@@ -17,6 +17,14 @@ jobs:
       - name: Setup Node
         uses: actions/setup-node@v3
 
+      - name: Cache npm dependencies
+        uses: actions/cache@v4
+        with:
+          path: '~/.npm'
+          key: ${{ runner.os }}-node-${{ hashFiles('**/package-lock.json') }}
+          restore-keys: |
+            ${{ runner.os }}-node-
+
       - name: Build project
         run: npm install && npm run build