chore(deps): update dependency @shelf/eslint-config to v6

Author: renovate[bot]

package.json

@@ -39,7 +39,7 @@
   },
   "prettier": "@shelf/prettier-config",
   "devDependencies": {
-    "@shelf/eslint-config": "5.2.3",
+    "@shelf/eslint-config": "6.1.0",
     "@shelf/prettier-config": "1.0.0",
     "@shelf/tsconfig": "0.1.0",
     "@swc/core": "1.13.3",