chore(deps): update dependency @types/node to v18 (#149)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

package.json

@@ -42,7 +42,7 @@
   },
   "devDependencies": {
     "@rollup/plugin-typescript": "^9.0.0",
-    "@types/node": "^14.6.4",
+    "@types/node": "^18.0.0",
     "c8": "^7.3.0",
     "chai": "^4.0.1",
     "cross-env": "^7.0.2",