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

Author: renovate[bot]

package.json

@@ -30,7 +30,7 @@
     "@octokit/core": "7.0.3",
     "@octokit/plugin-paginate-rest": "13.1.1",
     "@octokit/plugin-throttling": "11.0.1",
-    "zod": "4.0.5"
+    "zod": "4.0.16"
   },
   "devDependencies": {
     "@actions/github": "6.0.1",

yarn.lock

@@ -1485,7 +1485,7 @@ __metadata:
     ts-node: "npm:10.9.2"
     typescript: "npm:5.8.3"
     vitest: "npm:3.2.4"
-    zod: "npm:4.0.5"
+    zod: "npm:4.0.16"
   languageName: unknown
   linkType: soft
 
@@ -2656,9 +2656,9 @@ __metadata:
   languageName: node
   linkType: hard
 
-"zod@npm:4.0.5":
-  version: 4.0.5
-  resolution: "zod@npm:4.0.5"
-  checksum: 10c0/59449d731ca63849b6bcb14300aa6e2f042d440b3ed294b45c248519aec78780f85a5d1939a62c2ce82e9dc60afca77c8005e0a98d7517b0c2586d6c76940424
+"zod@npm:4.0.16":
+  version: 4.0.16
+  resolution: "zod@npm:4.0.16"
+  checksum: 10c0/b42bbad1547d57cc1e319e18bb6667836d3c653802752395618e4002e6afeb53f09971e0717aa26098703f8e47268d8331e4ec5b1e76d5b8c98d1af66c4ede42
   languageName: node
   linkType: hard