bump version to 2.6.0

Author: Release bot

pyproject.toml

@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "aws_lambda_powertools"
-version = "2.5.0"
+version = "2.6.0"
 description = "A suite of utilities for AWS Lambda functions to ease adopting best practices such as tracing, structured logging, custom metrics, batching, idempotency, feature flags, and more."
 authors = ["Amazon Web Services"]
 include = ["aws_lambda_powertools/py.typed", "THIRD-PARTY-LICENSES"]