Bump version and update changelog

Author: sfirrin

CHANGELOG.md

@@ -1,5 +1,9 @@
 # CHANGELOG
 
+# Version 9 / 2019-11-04
+
+- Tag layer-generated `aws.lambda.enhanced.invocations` and `aws.lambda.enhanced.errors` enhanced metrics with `runtime` and `memorysize`
+
 # Version 8 / 2019-10-24
 
 - Remove vendored botocore requests patching since the package has been removed from the latest botocore

datadog_lambda/__init__.py

@@ -1,6 +1,6 @@
 # The minor version corresponds to the Lambda layer version.
 # E.g.,, version 0.5.0 gets packaged into layer version 5.
-__version__ = '0.8.0'
+__version__ = '0.9.0'
 
 
 import os