chore: bump version to v0.2.2

Author: killme2008

pyproject.toml

@@ -4,7 +4,7 @@ build-backend = "hatchling.build"
 
 [project]
 name = "greptimedb-mcp-server"
-version = "0.2.1"
+version = "0.2.2"
 description = "A Model Context Protocol (MCP) server that enables secure interaction with GreptimeDB databases. This server allows AI assistants to list tables, read data, and execute SQL queries through a controlled interface, making database exploration and analysis safer and more structured."
 readme = "README.md"
 license = "MIT"