Bump @types/node in /angular/directives/directive-example

Bumps [@types/node](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/node) from 10.12.0 to 12.7.5.
- [Release notes](https://github.com/DefinitelyTyped/DefinitelyTyped/releases)
- [Commits](https://github.com/DefinitelyTyped/DefinitelyTyped/commits/HEAD/types/node)

Signed-off-by: dependabot-preview[bot] <[email protected]>

Author: dependabot-preview[bot]

angular/directives/directive-example/package-lock.json

@@ -33,7 +33,7 @@
     "@angular/language-service": "^7.0.0",
     "@types/jasmine": "~2.8.9",
     "@types/jasminewd2": "~2.0.2",
-    "@types/node": "~10.12.0",
+    "@types/node": "~12.7.5",
     "codelyzer": "^4.5.0",
     "jasmine-core": "~3.2.1",
     "jasmine-spec-reporter": "~4.2.1",