chore: release v4.10.8 (#2450)

pyproject.toml

@@ -1,6 +1,6 @@
 [project]
 name = "langbot"
-version = "4.10.7"
+version = "4.10.8"
 description = "Production-grade platform for building agentic IM bots"
 readme = "README.md"
 license-files = ["LICENSE"]

uv.lock

@@ -2008,7 +2008,7 @@ wheels = [
 
 [[package]]
 name = "langbot"
-version = "4.10.7"
+version = "4.10.8"
 source = { editable = "." }
 dependencies = [
     { name = "aiocqhttp" },