chore(deps): update typescript-eslint monorepo to v8.21.0

Author: renovate[bot]

package-lock.json

@@ -44,8 +44,8 @@
     "@types/aws-lambda": "8.10.147",
     "@types/jest": "29.5.14",
     "@types/node": "20.17.14",
-    "@typescript-eslint/eslint-plugin": "8.20.0",
-    "@typescript-eslint/parser": "8.20.0",
+    "@typescript-eslint/eslint-plugin": "8.21.0",
+    "@typescript-eslint/parser": "8.21.0",
     "aws-cdk": "2.176.0",
     "aws-cdk-lib": "2.176.0",
     "aws-sdk": "2.1692.0",