fix(deps): update dependency @sanity/client to v6 (#6650)

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

Author: renovate[bot]

functions-templates/javascript/sanity-create/package.json

@@ -15,6 +15,6 @@
   "author": "Sanity.io",
   "license": "MIT",
   "dependencies": {
-    "@sanity/client": "^0.147.3"
+    "@sanity/client": "^6.0.0"
   }
 }

functions-templates/javascript/sanity-groq/package.json

@@ -16,6 +16,6 @@
   "author": "Sanity.io",
   "license": "MIT",
   "dependencies": {
-    "@sanity/client": "^0.147.3"
+    "@sanity/client": "^6.0.0"
   }
 }