chore:(deps): bump @types/react-dom from 16.9.9 to 17.0.0 in /explorer (#13760)

Bumps [@types/react-dom](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/react-dom) from 16.9.9 to 17.0.0.
- [Release notes](https://github.com/DefinitelyTyped/DefinitelyTyped/releases)
- [Commits](https://github.com/DefinitelyTyped/DefinitelyTyped/commits/HEAD/types/react-dom)

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

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

explorer/package-lock.json

@@ -2847,9 +2847,9 @@
       }
     },
     "@types/react-dom": {
-      "version": "16.9.9",
-      "resolved": "https://registry.npmjs.org/@types/react-dom/-/react-dom-16.9.9.tgz",
-      "integrity": "sha512-jE16FNWO3Logq/Lf+yvEAjKzhpST/Eac8EMd1i4dgZdMczfgqC8EjpxwNgEe3SExHYLliabXDh9DEhhqnlXJhg==",
+      "version": "17.0.0",
+      "resolved": "https://registry.npmjs.org/@types/react-dom/-/react-dom-17.0.0.tgz",
+      "integrity": "sha512-lUqY7OlkF/RbNtD5nIq7ot8NquXrdFrjSOR6+w9a9RFQevGi1oZO1dcJbXMeONAPKtZ2UrZOEJ5UOCVsxbLk/g==",
       "requires": {
         "@types/react": "*"
       }

explorer/package.json

@@ -18,7 +18,7 @@
     "@types/jest": "^26.0.15",
     "@types/node": "^14.14.9",
     "@types/react": "^16.9.56",
-    "@types/react-dom": "^16.9.9",
+    "@types/react-dom": "^17.0.0",
     "@types/react-router-dom": "^5.1.6",
     "@types/react-select": "^3.0.26",
     "@types/socket.io-client": "^1.4.34",