fix(deps): update dependency zod to v4.0.16

Author: renovate[bot]

packages/nextra-theme-docs/package.json

@@ -36,7 +36,7 @@
     "next-themes": "^0.4.0",
     "react-compiler-runtime": "^19.1.0-rc.2",
     "scroll-into-view-if-needed": "^3.1.0",
-    "zod": "4.0.0-beta.20250424T163858",
+    "zod": "4.0.16",
     "zustand": "^5.0.1"
   },
   "devDependencies": {

packages/nextra/package.json

@@ -113,7 +113,7 @@
     "unist-util-visit": "^5.0.0",
     "unist-util-visit-children": "^3.0.0",
     "yaml": "^2.3.2",
-    "zod": "4.0.0-beta.20250424T163858"
+    "zod": "4.0.16"
   },
   "devDependencies": {
     "@svgr/plugin-svgo": "^8.1.0",

packages/tsdoc/package.json

@@ -38,7 +38,7 @@
   },
   "dependencies": {
     "clsx": "^2.1.1",
-    "zod": "4.0.0-beta.20250424T163858"
+    "zod": "4.0.16"
   },
   "devDependencies": {
     "@tsconfig/strictest": "^2.0.5",