chore(release): 7.4.0 [skip ci]

# [7.4.0](https://github.com/react-native-community/react-native-webview/compare/v7.3.0...v7.4.0) (2019-09-29)

### Features

* **android:** allowFileAccessFromFileURLs prop added ([#831](https://github.com/react-native-community/react-native-webview/issues/831)) ([4db3d84](https://github.com/react-native-community/react-native-webview/commit/4db3d84))

package.json

@@ -8,7 +8,7 @@
     "Thibault Malbranche <malbranche.thibault@gmail.com>"
   ],
   "license": "MIT",
-  "version": "7.3.0",
+  "version": "7.4.0",
   "homepage": "https://github.com/react-native-community/react-native-webview#readme",
   "scripts": {
     "ci": "CI=true && yarn lint && yarn test",