fix(deps): update @sanity/client to ^7.6.0

Author: stipsan

packages/next-sanity/package.json

@@ -147,7 +147,7 @@
   "browserslist": "extends @sanity/browserslist-config",
   "dependencies": {
     "@portabletext/react": "^3.2.1",
-    "@sanity/client": "^7.1.0",
+    "@sanity/client": "^7.6.0",
     "@sanity/next-loader": "^1.6.2",
     "@sanity/preview-kit": "^6.1.1",
     "@sanity/preview-url-secret": "^2.1.11",