fix(deps): update dependency @vercel/stega to v1

Author: renovate[bot]

packages/preview-kit/package.json

@@ -100,7 +100,7 @@
     "@types/use-sync-external-store": "^1.5.0",
     "@typescript-eslint/eslint-plugin": "^8.43.0",
     "@typescript-eslint/parser": "^8.43.0",
-    "@vercel/stega": "0.1.2",
+    "@vercel/stega": "1.0.0",
     "@vitest/coverage-v8": "^3.2.4",
     "eslint": "^8.57.1",
     "eslint-config-prettier": "^10.1.8",