chore:(deps): bump @types/node from 14.6.2 to 14.6.4 in /explorer (#12045)

Bumps [@types/node](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/node) from 14.6.2 to 14.6.4.
- [Release notes](https://github.com/DefinitelyTyped/DefinitelyTyped/releases)
- [Commits](https://github.com/DefinitelyTyped/DefinitelyTyped/commits/HEAD/types/node)

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

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

explorer/package-lock.json

@@ -3385,9 +3385,9 @@
       "integrity": "sha512-tHq6qdbT9U1IRSGf14CL0pUlULksvY9OZ+5eEgl1N7t+OA3tGvNpxJCzuKQlsNgCVwbAs670L1vcVQi8j9HjnA=="
     },
     "@types/node": {
-      "version": "14.6.2",
-      "resolved": "https://registry.npmjs.org/@types/node/-/node-14.6.2.tgz",
-      "integrity": "sha512-onlIwbaeqvZyniGPfdw/TEhKIh79pz66L1q06WUQqJLnAb6wbjvOtepLYTGHTqzdXgBYIE3ZdmqHDGsRsbBz7A=="
+      "version": "14.6.4",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-14.6.4.tgz",
+      "integrity": "sha512-Wk7nG1JSaMfMpoMJDKUsWYugliB2Vy55pdjLpmLixeyMi7HizW2I/9QoxsPCkXl3dO+ZOVqPumKaDUv5zJu2uQ=="
     },
     "@types/parse-json": {
       "version": "4.0.0",

explorer/package.json

@@ -15,7 +15,7 @@
     "@types/chart.js": "^2.9.24",
     "@types/classnames": "^2.2.10",
     "@types/jest": "^26.0.12",
-    "@types/node": "^14.6.2",
+    "@types/node": "^14.6.4",
     "@types/react": "^16.9.49",
     "@types/react-dom": "^16.9.8",
     "@types/react-router-dom": "^5.1.5",