chore(deps): update dependency @shelf/eslint-config to v5

Author: renovate[bot]

package.json

@@ -58,7 +58,7 @@
     "@babel/cli": "7.27.0",
     "@babel/core": "7.26.10",
     "@shelf/babel-config": "1.2.0",
-    "@shelf/eslint-config": "4.2.1",
+    "@shelf/eslint-config": "5.2.1",
     "@shelf/prettier-config": "1.0.0",
     "@shelf/tsconfig": "0.1.0",
     "@types/aws-sdk": "2.7.4",