feat: upgrade typescript to 3.7

templates/app/angular/package.json

@@ -53,6 +53,6 @@
     "protractor": "~5.4.0",
     "ts-node": "~7.0.0",
     "tslint": "~5.15.0",
-    "typescript": "~3.5.3"
+    "typescript": "~3.7.5"
   }
-}
+}