Bump @types/node from 12.7.9 to 12.7.11 (#63)

Bumps [@types/node](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/node) from 12.7.9 to 12.7.11.
- [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

@@ -70,7 +70,7 @@
     "@types/chai": "^4.2.3",
     "@types/lodash": "^4.14.141",
     "@types/mocha": "^5.2.7",
-    "@types/node": "^12.7.9",
+    "@types/node": "^12.7.11",
     "@types/sinon": "^7.5.0",
     "@types/sinon-chai": "^3.2.3",
     "chai": "^4.2.0",