Update CI action to build with tsc

Author: exceptionraiser

.github/workflows/ci.yml

@@ -26,6 +26,9 @@ jobs:
           node-version: 18.13.0
       - name: Install dependencies
         run: npm install
+      - name: Run headless test
+      - name: Build package
+        run: npm build
       - name: Run headless test
         uses: GabrielBB/[email protected]
         with: