GitHub Action updated

Author: mhyrzt

.github/workflows/build.yml

@@ -8,11 +8,8 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v2
-
-    - name: Install dependencies
-      run: npm install
-
-    - name: Build extension
-      run: npm run vscode:prepublish
+      - name: Checkout
+        uses: actions/checkout@v3
 
+      - name: Package VS Code extension
+        uses: nhedger/package-vscode-extension@v1