chore:(deps): bump @testing-library/user-event in /explorer (#15943)

Bumps [@testing-library/user-event](https://github.com/testing-library/user-event) from 12.8.3 to 13.0.0.
- [Release notes](https://github.com/testing-library/user-event/releases)
- [Changelog](https://github.com/testing-library/user-event/blob/master/CHANGELOG.md)
- [Commits](https://github.com/testing-library/user-event/compare/v12.8.3...v13.0.0)

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

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

explorer/package-lock.json

@@ -2951,9 +2951,9 @@
       }
     },
     "@testing-library/user-event": {
-      "version": "12.8.3",
-      "resolved": "https://registry.npmjs.org/@testing-library/user-event/-/user-event-12.8.3.tgz",
-      "integrity": "sha512-IR0iWbFkgd56Bu5ZI/ej8yQwrkCv8Qydx6RzwbKz9faXazR/+5tvYKsZQgyXJiwgpcva127YO6JcWy7YlCfofQ==",
+      "version": "13.0.0",
+      "resolved": "https://registry.npmjs.org/@testing-library/user-event/-/user-event-13.0.0.tgz",
+      "integrity": "sha512-At8SFGsb6kLgXU6NYU/IJGiKWULTklu8FlqTtaxvR9emnGDYlVhQ1xxjchpOifh1Ao6SjKu5vgDc7ioiUfw5oQ==",
       "requires": {
         "@babel/runtime": "^7.12.5"
       },

explorer/package.json

@@ -10,7 +10,7 @@
     "@solana/web3.js": "^0.94.2",
     "@testing-library/jest-dom": "^5.11.9",
     "@testing-library/react": "^11.2.5",
-    "@testing-library/user-event": "^12.8.3",
+    "@testing-library/user-event": "^13.0.0",
     "@types/bn.js": "^5.1.0",
     "@types/bs58": "^4.0.1",
     "@types/chai": "^4.2.15",