Update version to 0.4.13 in pyproject.toml (#1011)

Author: Dwij1704

pyproject.toml

@@ -4,7 +4,7 @@ build-backend = "hatchling.build"
 
 [project]
 name = "agentops"
-version = "0.4.12"
+version = "0.4.13"
 authors = [
   { name="Alex Reibman", email="[email protected]" },
   { name="Shawn Qiu", email="[email protected]" },