Bump @types/node from 12.12.21 to 13.1.0

Bumps [@types/node](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/node) from 12.12.21 to 13.1.0.
- [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

@@ -19,7 +19,7 @@
     "@types/chai": "^4.1.4",
     "@types/chai-as-promised": "^7.1.0",
     "@types/mocha": "^5.2.3",
-    "@types/node": "^12.0.10",
+    "@types/node": "^13.1.0",
     "@types/snekfetch": "^4.0.1",
     "chai": "^4.1.2",
     "chai-as-promised": "^7.1.1",