chore(release): 准备发布v2.6.0版本

- 更新版本号到2.6.0
- 更新依赖到最新兼容版本
- 所有测试通过，准备发布

Author: hubertshelley

Cargo.toml

@@ -10,7 +10,7 @@ homepage = "https://github.com/silent-rs/silent"
 license = "Apache-2.0"
 readme = "./readme.md"
 repository = "https://github.com/silent-rs/silent"
-version = "2.5.2"
+version = "2.6.0"
 
 [workspace.dependencies]
 async-trait = "0.1.88"