fix(deps): update dependency zod to v4.3.0

Author: renovate[bot]

package.json

@@ -34,7 +34,7 @@
     "@octokit/types": "14.1.0",
     "@probot/octokit-plugin-config": "3.0.2",
     "deepmerge": "4.3.1",
-    "zod": "4.0.15"
+    "zod": "4.3.0"
   },
   "devDependencies": {
     "@actions/github": "6.0.1",

yarn.lock

@@ -2052,7 +2052,7 @@ __metadata:
     ts-node: "npm:10.9.2"
     typescript: "npm:5.9.2"
     vitest: "npm:3.2.4"
-    zod: "npm:4.0.15"
+    zod: "npm:4.3.0"
   languageName: unknown
   linkType: soft
 
@@ -2707,9 +2707,9 @@ __metadata:
   languageName: node
   linkType: hard
 
-"zod@npm:4.0.15":
-  version: 4.0.15
-  resolution: "zod@npm:4.0.15"
-  checksum: 10/a91e998d519b697a82e0f5ceea8b9c1e3a2ebc80ef6a275fc71b7f7b052cd4ab45140525c4ba93ad60fa28e0c72dc6f6c326be954aa3f621699b9a2d05fbdf1c
+"zod@npm:4.3.0":
+  version: 4.3.0
+  resolution: "zod@npm:4.3.0"
+  checksum: 10/a10904109f61e55f78ad40d60eae0ecbc2d5c1a5575b1a621d67f643563d15e0450a59c767f5aa4e946240729aac184991ed5a9585588263788f8af5d87277e4
   languageName: node
   linkType: hard