Bump react-select from 4.1.0 to 4.2.1 in /client

Bumps [react-select](https://github.com/JedWatson/react-select) from 4.1.0 to 4.2.1.
- [Release notes](https://github.com/JedWatson/react-select/releases)
- [Changelog](https://github.com/JedWatson/react-select/blob/master/docs/CHANGELOG.md)
- [Commits](https://github.com/JedWatson/react-select/compare/react-select@4.1.0...react-select@4.2.1)

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

client/package.json

@@ -21,7 +21,7 @@
     "react-popper": "^2.2.4",
     "react-router-dom": "^5.2.0",
     "react-scripts": "^4.0.3",
-    "react-select": "^4.1.0",
+    "react-select": "^4.2.1",
     "react-table": "^7.6.0",
     "react-textarea-autosize": "^8.3.2",
     "react-tooltip": "^4.2.15",

client/yarn.lock

@@ -9901,10 +9901,10 @@ react-scripts@^4.0.3:
   optionalDependencies:
     fsevents "^2.1.3"
 
-react-select@^4.1.0:
-  version "4.1.0"
-  resolved "https://registry.yarnpkg.com/react-select/-/react-select-4.1.0.tgz#7ce06b4e8e79b8f58d09a15d25c705abb1ac4885"
-  integrity sha512-OYn+jL8TXMMaZtosErpkdvoI1UWN4ZqMFulIRp5r5bbuqe4OaZN7yv1BNq7PdAJgRu2E19ODFiV1SgJ6wPUaeA==
+react-select@^4.2.1:
+  version "4.2.1"
+  resolved "https://registry.yarnpkg.com/react-select/-/react-select-4.2.1.tgz#15c4837dffc1c23e91b7fde606c468cc10000a06"
+  integrity sha512-JwwZjsR10AD5RXmx4iEkN0Ndim/uSaQ8j8cxMwOg8SJFeyXwu/m+sdSQ0ds0AWFm7hhXG9kusC3CQ/s4UNcOIg==
   dependencies:
     "@babel/runtime" "^7.12.0"
     "@emotion/cache" "^11.0.0"