Update version to 1.6.0 (#519)

Author: cretz

pyproject.toml

@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "temporalio"
-version = "1.5.1"
+version = "1.6.0"
 description = "Temporal.io Python SDK"
 license = "MIT"
 authors = ["Temporal Technologies Inc <sdk@temporal.io>"]

temporalio/service.py

@@ -25,7 +25,7 @@
 import temporalio.exceptions
 import temporalio.runtime
 
-__version__ = "1.5.1"
+__version__ = "1.6.0"
 
 ServiceRequest = TypeVar("ServiceRequest", bound=google.protobuf.message.Message)
 ServiceResponse = TypeVar("ServiceResponse", bound=google.protobuf.message.Message)