bump @types/node dep to ^18

Signed-off-by: Patrik Oldsberg <poldsberg@gmail.com>

packages/techdocs-cli/package.json

@@ -41,7 +41,7 @@
     "@types/commander": "^2.12.2",
     "@types/fs-extra": "^9.0.6",
     "@types/http-proxy": "^1.17.4",
-    "@types/node": "^16.11.26",
+    "@types/node": "^18.17.8",
     "@types/serve-handler": "^6.1.0",
     "@types/webpack-env": "^1.15.3",
     "cypress": "^10.0.0",