chore(deps): update typescript-eslint monorepo to v6.15.0

Author: renovate[bot]

package.json

@@ -25,8 +25,8 @@
     "@types/node-fetch": "2.6.9",
     "@types/pg": "8.10.9",
     "@types/wait-on": "5.3.4",
-    "@typescript-eslint/eslint-plugin": "6.14.0",
-    "@typescript-eslint/parser": "6.14.0",
+    "@typescript-eslint/eslint-plugin": "6.15.0",
+    "@typescript-eslint/parser": "6.15.0",
     "ava": "5.3.1",
     "bluebird": "3.7.2",
     "c8": "8.0.1",