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

admin/client/pyproject.toml

@@ -1,6 +1,6 @@
 [project]
 name = "ragflow-cli"
-version = "0.22.0"
+version = "0.22.1"
 description = "Admin Service's client of [RAGFlow](https://github.com/infiniflow/ragflow). The Admin Service provides user management and system monitoring. "
 authors = [{ name = "Lynn", email = "lynn_inf@hotmail.com" }]
 license = { text = "Apache License, Version 2.0" }