build: bump react from 16.2.0 to 16.3.0 (#1243)

Bumps [react](https://github.com/facebook/react) from 16.2.0 to 16.3.0.
- [Release notes](https://github.com/facebook/react/releases)
- [Changelog](https://github.com/facebook/react/blob/master/CHANGELOG.md)
- [Commits](https://github.com/facebook/react/compare/v16.2.0...v16.3.0)

Signed-off-by: dependabot[bot] <support@dependabot.com>

package.json

@@ -53,7 +53,7 @@
     "moment": "^2.22.0",
     "qrcode.react": "^0.8.0",
     "rc-progress": "^2.0.6",
-    "react": "^16.2.0",
+    "react": "^16.3.0",
     "react-dom": "^16.3.0",
     "react-feather": "^1.0.8",
     "react-markdown": "^2.5.0",

yarn.lock

@@ -7432,9 +7432,9 @@ react@^0.14.2:
     envify "^3.0.0"
     fbjs "^0.6.1"
 
-react@^16.2.0:
-  version "16.2.0"
-  resolved "https://registry.yarnpkg.com/react/-/react-16.2.0.tgz#a31bd2dab89bff65d42134fa187f24d054c273ba"
+react@^16.3.0:
+  version "16.3.0"
+  resolved "https://registry.yarnpkg.com/react/-/react-16.3.0.tgz#fc5a01c68f91e9b38e92cf83f7b795ebdca8ddff"
   dependencies:
     fbjs "^0.8.16"
     loose-envify "^1.1.0"