chore(deps): bump @types/node from 14.0.14 to 14.0.18 in /explorer

Bumps [@types/node](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/node) from 14.0.14 to 14.0.18.
- [Release notes](https://github.com/DefinitelyTyped/DefinitelyTyped/releases)
- [Commits](https://github.com/DefinitelyTyped/DefinitelyTyped/commits/HEAD/types/node)

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

explorer/package-lock.json

@@ -2918,9 +2918,9 @@
       "integrity": "sha512-tHq6qdbT9U1IRSGf14CL0pUlULksvY9OZ+5eEgl1N7t+OA3tGvNpxJCzuKQlsNgCVwbAs670L1vcVQi8j9HjnA=="
     },
     "@types/node": {
-      "version": "14.0.14",
-      "resolved": "https://registry.npmjs.org/@types/node/-/node-14.0.14.tgz",
-      "integrity": "sha512-syUgf67ZQpaJj01/tRTknkMNoBBLWJOBODF0Zm4NrXmiSuxjymFrxnTu1QVYRubhVkRcZLYZG8STTwJRdVm/WQ=="
+      "version": "14.0.18",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-14.0.18.tgz",
+      "integrity": "sha512-0Z3nS5acM0cIV4JPzrj9g/GH0Et5vmADWtip3YOXOp1NpOLU8V3KoZDc8ny9c1pe/YSYYzQkAWob6dyV/EWg4g=="
     },
     "@types/parse-json": {
       "version": "4.0.0",

explorer/package.json

@@ -10,7 +10,7 @@
     "@testing-library/user-event": "^7.1.2",
     "@types/bs58": "^4.0.1",
     "@types/jest": "^26.0.3",
-    "@types/node": "^14.0.14",
+    "@types/node": "^14.0.18",
     "@types/react": "^16.9.41",
     "@types/react-dom": "^16.9.8",
     "@types/react-router-dom": "^5.1.5",