chore(package): update @typescript-eslint/parser to version 3.0.2

Closes #12

Author: greenkeeper[bot]

package.json

@@ -42,7 +42,7 @@
     "@types/react": "^16.9.2",
     "@types/react-dom": "^16.8.4",
     "@typescript-eslint/eslint-plugin": "^2.2.0",
-    "@typescript-eslint/parser": "^2.2.0",
+    "@typescript-eslint/parser": "^3.0.2",
     "eslint": "^6.3.0",
     "eslint-plugin-jest": "^23.0.3",
     "eslint-plugin-prettier": "^3.1.0",