ci: check that constants are always up-to-date

.github/workflows/ci.yml

@@ -40,6 +40,18 @@ jobs:
       - name: Check
         run: cargo check --workspace --all-targets --all-features
 
+  npm_constants:
+    name: Check if node constants are up to date
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          show-progress: false
+      - name: Rebuild constants
+        run: npm run build:core:constants
+      - name: Check that constants are not changed
+        run: git diff --exit-code
+
   cargo_deny:
     name: cargo deny
     runs-on: ubuntu-latest