fix(package): update @mapbox/react-native-mapbox-gl to version 6.1.2

Author: greenkeeper[bot]

package.json

@@ -78,7 +78,7 @@
     "@hawkrives/react-native-alphabetlistview": "1.0.0",
     "@hawkrives/react-native-alternate-icons": "0.4.7",
     "@hawkrives/react-native-sortable-list": "1.0.1",
-    "@mapbox/react-native-mapbox-gl": "6.1.2-beta2",
+    "@mapbox/react-native-mapbox-gl": "6.1.2",
     "buffer": "5.2.0",
     "bugsnag-react-native": "2.10.2",
     "css-select": "2.0.0",