fix(deps): update dependency classnames to v2.5.1 (openedx#35816)

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

Author: renovate[bot]

package-lock.json

@@ -34,7 +34,7 @@
     "backbone.paginator": "2.0.8",
     "bootstrap": "4.0.0",
     "camelize": "1.0.1",
-    "classnames": "2.3.1",
+    "classnames": "2.5.1",
     "css-loader": "0.28.8",
     "datatables": "1.10.18",
     "datatables.net-fixedcolumns": "3.2.6",