fix: bump version to 5.6.0 (#7592)

package.json

@@ -1,6 +1,6 @@
 {
   "name": "vben-admin-monorepo",
-  "version": "5.5.9",
+  "version": "5.6.0",
   "private": true,
   "keywords": [
     "monorepo",