ci: move release to a separate job

Author: felixfbecker

.github/workflows/build.yml

@@ -32,7 +32,7 @@ jobs:
         run: npm run prettier
       - name: Lint
         run: npm run tslint
-      - name: Build extension
+      - name: Build VS Code extension
         run: npm run build
       - name: Setup PHP
         uses: shivammathur/setup-php@v2
@@ -50,8 +50,22 @@ jobs:
       - name: Upload coverage to Codecov
         run: bash <(curl -s https://codecov.io/bash)
         shell: bash
+  release:
+    runs-on: ubuntu-18.04
+    needs: test
+    if: github.repository_owner == 'felixfbecker' && github.event_name == 'push' && github.ref == 'refs/heads/master'
+    steps:
+      - name: Setup Node.js
+        uses: actions/setup-node@v1
+        with:
+          node-version: '6.17.1'
+      - name: Install npm
+        run: npm install -g npm@^6.3.0
+      - name: Install npm dependencies
+        run: npm ci
+      - name: Build VS Code extension
+        run: npm run build
       - name: Release
-        if: github.event_name == 'push' && github.ref == 'refs/heads/release'
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
           VSCE_TOKEN: ${{ secrets.VSCE_TOKEN }}