Migrate from Zod v3 to v4 (#14639)

Closes [#1526](https://github.com/twentyhq/core-team-issues/issues/1526)

---------

Co-authored-by: Félix Malfait <felix@twenty.com>
Co-authored-by: Félix Malfait <felix.malfait@gmail.com>

packages/twenty-shared/src/workflow/schemas/code-action-settings-schema.ts

@@ -0,0 +1,11 @@
+import { z } from 'zod';
+import { baseWorkflowActionSettingsSchema } from './base-workflow-action-settings-schema';
+
+export const workflowCodeActionSettingsSchema =
+  baseWorkflowActionSettingsSchema.extend({
+    input: z.object({
+      serverlessFunctionId: z.string(),
+      serverlessFunctionVersion: z.string(),
+      serverlessFunctionInput: z.record(z.string(), z.any()),
+    }),
+  });