chore(deps): pin dependency @sanity/prettier-config to 1.0.3 (#311)

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

Author: renovate[bot]

package-lock.json

@@ -38,7 +38,7 @@
   },
   "devDependencies": {
     "@ianvs/prettier-plugin-sort-imports": "4.4.1",
-    "@sanity/prettier-config": "^1.0.3",
+    "@sanity/prettier-config": "1.0.3",
     "@types/react": "19.0.8",
     "autoprefixer": "10.4.20",
     "babel-plugin-react-compiler": "beta",