Upgrade to Zod v4 (#2605)

Co-authored-by: GitHub Action <action@github.com>

package.json

@@ -24,7 +24,7 @@
       "ai": "5.0.8",
       "hono": "4.7.10",
       "typescript": "5.8.2",
-      "zod": "3.25.76",
+      "zod": "4.1.8",
       "remeda": "2.26.0",
       "solid-js": "1.9.9"
     }
@@ -33,7 +33,7 @@
     "pulumi-stripe": "0.0.24"
   },
   "devDependencies": {
-    "prettier": "3.5.3",
+    "prettier": "3.6.2",
     "sst": "3.17.13"
   },
   "repository": {
@@ -54,7 +54,7 @@
     "web-tree-sitter"
   ],
   "overrides": {
-    "zod": "3.25.76"
+    "zod": "4.1.8"
   },
   "patchedDependencies": {
     "@solidjs/start@1.1.7": "patches/@solidjs%2Fstart@1.1.7.patch"