Bump react-select from 1.2.1 to 2.4.3

Bumps [react-select](https://github.com/JedWatson/react-select) from 1.2.1 to 2.4.3.
- [Release notes](https://github.com/JedWatson/react-select/releases)
- [Changelog](https://github.com/JedWatson/react-select/blob/master/.sweet-changelogs.js)
- [Commits](https://github.com/JedWatson/react-select/commits)

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

Author: dependabot-support

package-lock.json

@@ -63,7 +63,7 @@
     "react": "16.8.3",
     "react-dom": "16.8.3",
     "react-relay": "3.0.0",
-    "react-select": "1.2.1",
+    "react-select": "2.4.3",
     "react-tabs": "^3.0.0",
     "relay-runtime": "3.0.0",
     "temp": "0.9.0",