fix(deps): update dependency classnames to v2.5.1 (#3936)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

website/package.json

@@ -137,7 +137,7 @@
     "bootstrap": "4.6.2",
     "bowser": "2.11.0",
     "browserslist-config-nusmods": "file:../packages/browserslist-config-nusmods",
-    "classnames": "2.3.2",
+    "classnames": "2.5.1",
     "core-js": "3.32.1",
     "date-fns": "2.30.0",
     "downshift": "6.1.12",

website/yarn.lock

@@ -3929,12 +3929,7 @@ class-utils@^0.3.5:
     isobject "^3.0.0"
     static-extend "^0.1.1"
 
-[email protected]:
-  version "2.3.2"
-  resolved "https://registry.yarnpkg.com/classnames/-/classnames-2.3.2.tgz#351d813bf0137fcc6a76a16b88208d2560a0d924"
-  integrity sha512-CSbhY4cFEJRe6/GQzIk5qXZ4Jeg5pcsP7b5peFSDpffpe1cqjASH/n9UTjBwOp6XpMSTwQ8Za2K5V02ueA7Tmw==
-
-classnames@^2.2.5, classnames@^2.2.6:
+[email protected], classnames@^2.2.5, classnames@^2.2.6:
   version "2.5.1"
   resolved "https://registry.yarnpkg.com/classnames/-/classnames-2.5.1.tgz#ba774c614be0f016da105c858e7159eae8e7687b"
   integrity sha512-saHYOzhIQs6wy2sVxTM6bUDsQO4F50V9RQ22qBpEdCW+I+/Wmke2HOl6lS6dTpdxVhb88/I6+Hs+438c3lfUow==