chore(deps): update dependency @types/node to v20

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

Author: renovate[bot]

package-lock.json

@@ -32,7 +32,7 @@
     "@octokit/tsconfig": "^2.0.0",
     "@types/fetch-mock": "^7.3.1",
     "@types/jest": "^29.0.0",
-    "@types/node": "^18.0.0",
+    "@types/node": "^20.0.0",
     "esbuild": "^0.19.0",
     "fetch-mock": "^9.0.0",
     "github-openapi-graphql-query": "^4.0.0",