chore(deps): pin dependencies (#78)

Author: renovate[bot]

package.json

@@ -21,16 +21,16 @@
   },
   "devDependencies": {
     "babel-eslint": "10.0.1",
-    "babel-jest": "^23.6.0",
-    "babel-preset-airbnb": "^3.2.0",
+    "babel-jest": "23.6.0",
+    "babel-preset-airbnb": "3.2.0",
     "babel-preset-react-native": "4.0.1",
     "eslint": "5.12.0",
-    "eslint-config-airbnb": "^17.1.0",
+    "eslint-config-airbnb": "17.1.0",
     "eslint-plugin-import": "2.14.0",
     "eslint-plugin-jsx-a11y": "6.1.2",
     "eslint-plugin-prefer-object-spread": "1.2.1",
     "eslint-plugin-react": "7.12.3",
-    "jest": "^23.6.0",
+    "jest": "23.6.0",
     "react-test-renderer": "16.3.2"
   },
   "jest": {