Update dependency classnames to v2.3.1 (#43090)

Co-authored-by: Renovate Bot <bot@renovateapp.com>

package.json

@@ -96,7 +96,7 @@
     "@testing-library/user-event": "13.5.0",
     "@types/angular": "1.8.3",
     "@types/angular-route": "1.7.0",
-    "@types/classnames": "2.2.9",
+    "@types/classnames": "2.3.0",
     "@types/clipboard": "2.0.1",
     "@types/common-tags": "^1.8.0",
     "@types/d3": "7.1.0",
@@ -268,7 +268,7 @@
     "brace": "0.11.1",
     "calculate-size": "1.1.1",
     "centrifuge": "2.7.5",
-    "classnames": "2.2.6",
+    "classnames": "2.3.1",
     "clipboard": "2.0.4",
     "comlink": "4.3.1",
     "common-tags": "^1.8.0",