chore(deps): update dependency @types/node to v20.8.9

Author: renovate[bot]

package-lock.json

@@ -46,7 +46,7 @@
     "@stryker-mutator/typescript-checker": "7.1.1",
     "@types/chai": "4.3.8",
     "@types/mocha": "10.0.2",
-    "@types/node": "20.8.6",
+    "@types/node": "20.8.9",
     "@types/sinon": "10.0.19",
     "@types/sinon-chai": "3.2.10",
     "chai": "4.3.10",