chore:(deps): bump classnames from 2.3.0 to 2.3.1 in /explorer (#16371)

Bumps [classnames](https://github.com/JedWatson/classnames) from 2.3.0 to 2.3.1.
- [Release notes](https://github.com/JedWatson/classnames/releases)
- [Changelog](https://github.com/JedWatson/classnames/blob/master/HISTORY.md)
- [Commits](https://github.com/JedWatson/classnames/commits)

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

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

explorer/package-lock.json

@@ -5354,9 +5354,9 @@
       }
     },
     "classnames": {
-      "version": "2.3.0",
-      "resolved": "https://registry.npmjs.org/classnames/-/classnames-2.3.0.tgz",
-      "integrity": "sha512-UUf/S3eeczXBjHPpSnrZ1ZyxH3KmLW8nVYFUWIZA/dixYMIQr7l94yYKxaAkmPk7HO9dlT6gFqAPZC02tTdfQw=="
+      "version": "2.3.1",
+      "resolved": "https://registry.npmjs.org/classnames/-/classnames-2.3.1.tgz",
+      "integrity": "sha512-OlQdbZ7gLfGarSqxesMesDa5uz7KFbID8Kpq/SxIoNGDqY8lSYs0D+hhtBXhcdB3rcbXArFr7vlHheLk1voeNA=="
     },
     "clean-css": {
       "version": "4.2.3",

explorer/package.json

@@ -29,7 +29,7 @@
     "bs58": "^4.0.1",
     "chai": "^4.3.4",
     "chart.js": "^2.9.4",
-    "classnames": "2.3.0",
+    "classnames": "2.3.1",
     "coingecko-api": "^1.0.10",
     "cross-fetch": "^3.1.4",
     "humanize-duration-ts": "^2.1.1",