chore(deps): update typescript-eslint monorepo to v4.15.0

Author: renovate-bot

package-lock.json

@@ -24,8 +24,8 @@
     "@nestjs/common": "7.6.11",
     "@types/node": "11.15.0",
     "@types/passport": "1.0.6",
-    "@typescript-eslint/eslint-plugin": "4.14.2",
-    "@typescript-eslint/parser": "4.14.2",
+    "@typescript-eslint/eslint-plugin": "4.15.0",
+    "@typescript-eslint/parser": "4.15.0",
     "eslint": "7.19.0",
     "eslint-config-prettier": "7.2.0",
     "eslint-plugin-import": "2.22.1",