fix(server-core): publish swagger schema factory (#1229)

Author: omeraplak

.changeset/silver-rules-report.md

@@ -0,0 +1,9 @@
+---
+"@voltagent/server-core": patch
+---
+
+fix(server-core): publish schema factory required by server-hono
+
+Publishes the `createServerCoreSchemas` export used by `@voltagent/server-hono` to build Swagger
+schemas with the active Zod instance. This keeps `server-hono` releases from resolving against a
+`server-core` package that does not provide the required runtime export.