chore(package): update react-native-typescript-transformer to version 1.2.13

Closes #455

Author: greenkeeper[bot]

package.json

@@ -82,7 +82,7 @@
     "jest-junit-reporter": "1.1.0",
     "prettier": "1.14.3",
     "react-dom": "16.5.1",
-    "react-native-typescript-transformer": "1.2.10",
+    "react-native-typescript-transformer": "1.2.13",
     "react-test-renderer": "16.5.1",
     "ts-jest": "^23.1.4",
     "tslint": "5.11.0",