Feat: update version to 0.22.1 (#11331)

### What problem does this PR solve?

Update version to 0.22.1

### Type of change

- [x] Documentation Update

admin/client/admin_client.py

@@ -378,7 +378,7 @@ class AdminCLI(Cmd):
                         self.session.headers.update({
                             'Content-Type': 'application/json',
                             'Authorization': response.headers['Authorization'],
-                            'User-Agent': 'RAGFlow-CLI/0.22.0'
+                            'User-Agent': 'RAGFlow-CLI/0.22.1'
                         })
                         print("Authentication successful.")
                         return True