[router] upgade router version to 0.1.6 (#8209)

Author: slin1237

sgl-router/pyproject.toml

@@ -4,8 +4,8 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "sglang-router"
-version = "0.1.5"
-description = "SGLang router is a standalone module implemented in Rust to achieve data parallelism across SGLang instances."
+version = "0.1.6"
+description = "High-performance Rust-based load balancer for SGLang with multiple routing algorithms and prefill-decode disaggregation support"
 authors = [{name = "Byron Hsu", email = "byronhsu1230@gmail.com"}]
 requires-python = ">=3.8"
 readme = "README.md"