add extra CI step to verify TS compilation

.github/workflows/pull-request-workflow.yaml

@@ -2,17 +2,35 @@ name: test-workflow
 run-name: Veles test checks
 on:
   push:
-        branches:
-            - main
+    branches:
+      - main
   pull_request:
 
 jobs:
-  run-tests:
+  typecheck:
+    name: typecheck
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
       - uses: actions/setup-node@v4
         with:
-          node-version: "22"
-      - run: npm install
-      - run: npm run test
+          node-version: "24"
+          cache: "npm"
+      - name: Install dependencies
+        run: npm ci
+      - name: TypeScript compile check
+        run: npm run ts-compile-check
+
+  tests:
+    name: tests
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-node@v4
+        with:
+          node-version: "24"
+          cache: "npm"
+      - name: Install dependencies
+        run: npm ci
+      - name: Run tests
+        run: npm run test