chore(deps): update dependency @sanity/pkg-utils to v8 (#210)

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

Author: renovate[bot]

package.json

@@ -135,7 +135,7 @@
   "devDependencies": {
     "@commitlint/config-conventional": "^19.8.1",
     "@sanity/browserslist-config": "^1.0.5",
-    "@sanity/pkg-utils": "^7.11.9",
+    "@sanity/pkg-utils": "^8.1.21",
     "@sanity/prettier-config": "^2.0.1",
     "@sanity/semantic-release-preset": "^4.1.8",
     "@sanity/ui": "^3.1.10",