fix(@schematics/angular): update typescript to 3.2.4 (#13554)

Fixed inconsistency in typescript versions, all other pkgs have pinned ts 3.2.4

Author: L2jLiga

packages/schematics/angular/package.json

@@ -11,6 +11,6 @@
   "dependencies": {
     "@angular-devkit/core": "0.0.0",
     "@angular-devkit/schematics": "0.0.0",
-    "typescript": "3.2.2"
+    "typescript": "3.2.4"
   }
 }