chore(deps): update typescript-eslint monorepo to v6.21.0

Author: renovate[bot]

package.json

@@ -48,8 +48,8 @@
     "@types/sinon": "10.0.15",
     "@types/sinon-chai": "3.2.9",
     "@types/supertest": "2.0.12",
-    "@typescript-eslint/eslint-plugin": "6.0.0",
-    "@typescript-eslint/parser": "6.0.0",
+    "@typescript-eslint/eslint-plugin": "6.21.0",
+    "@typescript-eslint/parser": "6.21.0",
     "ajv": "8.12.0",
     "chai": "4.3.7",
     "conventional-changelog-angular": "6.0.0",