Update react-hot-loader

package.json

@@ -25,7 +25,7 @@
     "react": "^16.8.6",
     "react-bootstrap": "^1.0.0-beta.8",
     "react-dom": "npm:@hot-loader/react-dom",
-    "react-hot-loader": "^4.8.3",
+    "react-hot-loader": "^4.8.4",
     "react-router": "^5.0.0",
     "react-router-bootstrap": "^0.25.0",
     "react-router-dom": "^5.0.0",

yarn.lock

@@ -7639,7 +7639,7 @@ react-context-toolbox@^2.0.2:
     prop-types "^15.6.2"
     scheduler "^0.13.6"
 
-react-hot-loader@^4.8.3:
+react-hot-loader@^4.8.4:
   version "4.8.4"
   resolved "https://registry.yarnpkg.com/react-hot-loader/-/react-hot-loader-4.8.4.tgz#357ba342e367fd42d6a870a9c0601c23fa0730c6"
   integrity sha512-O98btZXcm24ZgP+aPBD0W9N+GEnkOg6vlLEy/IMZ53u3K/dGqO0I/RU4qrmQzE+wMDLpwNo5TwxaAjVw9Y+IBA==