Bump @types/node from 12.6.8 to 12.6.9

Bumps [@types/node](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/node) from 12.6.8 to 12.6.9.
- [Release notes](https://github.com/DefinitelyTyped/DefinitelyTyped/releases)
- [Commits](https://github.com/DefinitelyTyped/DefinitelyTyped/commits/HEAD/types/node)

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

package.json

@@ -85,7 +85,7 @@
         "@angular/language-service": "~8.2.0",
         "@types/ajv": "^1.0.0",
         "@types/lodash": "^4.14.136",
-        "@types/node": "~12.6.8",
+        "@types/node": "~12.6.9",
         "codelyzer": "^5.0.0",
         "electron": "^6.0.0",
         "electron-builder": "^21.2.0",