Add TypeScript compilation check to workflow

Co-authored-by: goransle <7478772+goransle@users.noreply.github.com>

Author: Copilot

.github/workflows/test.yml

@@ -23,6 +23,16 @@ jobs:
       - name: Install dependencies
         run: npm install
 
+      - name: Check TypeScript compilation is up to date
+        run: |
+          npm run tsc
+          if [ -n "$(git status --porcelain)" ]; then
+            echo "Error: Files have changed after running 'npm run tsc'. Please run 'npm run tsc' locally and commit the changes."
+            git status
+            git diff
+            exit 1
+          fi
+
       - name: Setup config.json
         run: echo '{"token":"","port":"90","repo":"highcharts/highcharts"}' > config.json