build(deps-dev): update @types/node requirement (#499)

Updates the requirements on [@types/node](https://github.com/DefinitelyTyped/DefinitelyTyped) to permit the latest version.
- [Release notes](https://github.com/DefinitelyTyped/DefinitelyTyped/releases)
- [Commits](https://github.com/DefinitelyTyped/DefinitelyTyped/commits)

Signed-off-by: dependabot[bot] <support@dependabot.com>

angular/base/package.json

@@ -40,7 +40,7 @@
     "@ionic/angular-toolkit": "^1.0.0",
     "@types/jasmine": "~2.8.6",
     "@types/jasminewd2": "~2.0.3",
-    "@types/node": "~10.11.3",
+    "@types/node": "~10.12.0",
     "codelyzer": "~4.5.0",
     "jasmine-core": "~2.99.1",
     "jasmine-spec-reporter": "~4.2.1",