chore:(deps): bump @testing-library/user-event in /explorer (#14282)

Bumps [@testing-library/user-event](https://github.com/testing-library/user-event) from 12.2.2 to 12.6.0.
- [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/v12.2.2...v12.6.0)

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

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

explorer/package-lock.json

@@ -3036,11 +3036,21 @@
       }
     },
     "@testing-library/user-event": {
-      "version": "12.2.2",
-      "resolved": "https://registry.npmjs.org/@testing-library/user-event/-/user-event-12.2.2.tgz",
-      "integrity": "sha512-mTYL9LrwiSeyorStUOMuRGQDn1ca40tIhuv//o/K3lY8wBEp+9Im90MFVx5i3u7zCPmavn3uWZs/10chsbI8Tg==",
+      "version": "12.6.0",
+      "resolved": "https://registry.npmjs.org/@testing-library/user-event/-/user-event-12.6.0.tgz",
+      "integrity": "sha512-FNEH/HLmOk5GO70I52tKjs7WvGYckeE/SrnLX/ip7z2IGbffyd5zOUM1tZ10vsTphqm+VbDFI0oaXu0wcfQsAQ==",
       "requires": {
-        "@babel/runtime": "^7.10.2"
+        "@babel/runtime": "^7.12.5"
+      },
+      "dependencies": {
+        "@babel/runtime": {
+          "version": "7.12.5",
+          "resolved": "https://registry.npmjs.org/@babel/runtime/-/runtime-7.12.5.tgz",
+          "integrity": "sha512-plcc+hbExy3McchJCEQG3knOsuh3HH+Prx1P6cLIkET/0dLuQDEnrT+s27Axgc9bqfsmNUNHfscgMUdBpC9xfg==",
+          "requires": {
+            "regenerator-runtime": "^0.13.4"
+          }
+        }
       }
     },
     "@types/anymatch": {

explorer/package.json

@@ -9,7 +9,7 @@
     "@solana/web3.js": "^0.87.1",
     "@testing-library/jest-dom": "^5.11.6",
     "@testing-library/react": "^11.2.2",
-    "@testing-library/user-event": "^12.2.2",
+    "@testing-library/user-event": "^12.6.0",
     "@types/bn.js": "^4.11.6",
     "@types/bs58": "^4.0.1",
     "@types/chai": "^4.2.14",