Bump react-hot-loader from 3.1.3 to 4.12.14

Bumps [react-hot-loader](https://github.com/gaearon/react-hot-loader) from 3.1.3 to 4.12.14.
- [Release notes](https://github.com/gaearon/react-hot-loader/releases)
- [Changelog](https://github.com/gaearon/react-hot-loader/blob/master/CHANGELOG.md)
- [Commits](gaearon/react-hot-loader@v3.1.3...v4.12.14)

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

package.json

@@ -53,7 +53,7 @@
     "prop-types": "^15.7.2",
     "react": "^16.4.2",
     "react-dom": "^16.4.2",
-    "react-hot-loader": "^3.1.3",
+    "react-hot-loader": "^4.12.14",
     "swagger2openapi": "^5.3.1",
     "whatwg-fetch": "^3.0.0"
   }