fix(deps): update dependency zod to v4

Author: renovate[bot]

package.json

@@ -40,7 +40,7 @@
     "sass": "^1.87.0",
     "sharp": "^0.34.1",
     "stripe": "^18.1.0",
-    "zod": "^3.24.4"
+    "zod": "^4.0.0"
   },
   "devDependencies": {
     "@formatjs/cli": "^6.7.1",

yarn.lock

@@ -5291,7 +5291,7 @@ __metadata:
     tailwindcss: "npm:^3.4.17"
     tailwindcss-logical: "npm:^3.0.1"
     typescript: "npm:^5.8.3"
-    zod: "npm:^3.24.4"
+    zod: "npm:^4.0.0"
   languageName: unknown
   linkType: soft
 
@@ -8078,9 +8078,9 @@ __metadata:
   languageName: node
   linkType: hard
 
-"zod@npm:^3.24.4":
-  version: 3.24.4
-  resolution: "zod@npm:3.24.4"
-  checksum: 10c0/ab3112f017562180a41a0f83d870b333677f7d6b77f106696c56894567051b91154714a088149d8387a4f50806a2520efcb666f108cd384a35c236a191186d91
+"zod@npm:^4.0.0":
+  version: 4.0.16
+  resolution: "zod@npm:4.0.16"
+  checksum: 10c0/b42bbad1547d57cc1e319e18bb6667836d3c653802752395618e4002e6afeb53f09971e0717aa26098703f8e47268d8331e4ec5b1e76d5b8c98d1af66c4ede42
   languageName: node
   linkType: hard