deps: bump @typescript-eslint/parser from 2.30.0 to 2.31.0

Bumps [@typescript-eslint/parser](https://github.com/typescript-eslint/typescript-eslint/tree/HEAD/packages/parser) from 2.30.0 to 2.31.0.
- [Release notes](https://github.com/typescript-eslint/typescript-eslint/releases)
- [Changelog](https://github.com/typescript-eslint/typescript-eslint/blob/master/packages/parser/CHANGELOG.md)
- [Commits](https://github.com/typescript-eslint/typescript-eslint/commits/v2.31.0/packages/parser)

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

package.json

@@ -62,7 +62,7 @@
     "@types/node": "~12",
     "@types/node-fetch": "^2.5.7",
     "@typescript-eslint/eslint-plugin": "^2.31.0",
-    "@typescript-eslint/parser": "^2.30.0",
+    "@typescript-eslint/parser": "^2.31.0",
     "@zeit/ncc": "^0.22.1",
     "eslint": "^6.8.0",
     "eslint-plugin-jest": "^23.9.0",