chore(deps): update dependency @sanity/eslint-config-studio to v6 (#327)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

pnpm-lock.yaml

@@ -23,7 +23,7 @@
     "styled-components": "^6.1.19"
   },
   "devDependencies": {
-    "@sanity/eslint-config-studio": "^5.0.2",
+    "@sanity/eslint-config-studio": "^6.0.0",
     "@types/react": "^19.2.7",
     "babel-plugin-react-compiler": "^1.0.0",
     "eslint": "^9.39.2",