Update dependency classnames to v2.3.1

Author: renovate-bot

package.json

@@ -50,7 +50,7 @@
     "start-server-and-test": "1.12.1"
   },
   "dependencies": {
-    "classnames": "2.2.6",
+    "classnames": "2.3.1",
     "prop-types": "15.7.2",
     "react": "17.0.2",
     "react-dom": "17.0.2",

yarn.lock

@@ -2698,10 +2698,10 @@ class-utils@^0.3.5:
     isobject "^3.0.0"
     static-extend "^0.1.1"
 
-classnames@2.2.6:
-  version "2.2.6"
-  resolved "https://registry.yarnpkg.com/classnames/-/classnames-2.2.6.tgz#43935bffdd291f326dad0a205309b38d00f650ce"
-  integrity sha512-JR/iSQOSt+LQIWwrwEzJ9uk0xfN3mTVYMwt1Ir5mUcSN6pU+V4zQFFaJsclJbPuAUQH+yfWef6tm7l1quW3C8Q==
+classnames@2.3.1:
+  version "2.3.1"
+  resolved "https://registry.yarnpkg.com/classnames/-/classnames-2.3.1.tgz#dfcfa3891e306ec1dad105d0e88f4417b8535e8e"
+  integrity sha512-OlQdbZ7gLfGarSqxesMesDa5uz7KFbID8Kpq/SxIoNGDqY8lSYs0D+hhtBXhcdB3rcbXArFr7vlHheLk1voeNA==
 
 clean-stack@^2.0.0:
   version "2.2.0"