chore(deps-dev): bump mypy-boto3-cloudformation from 1.26.149 to 1.26.156 (aws-powertools#2503)

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

poetry.lock

@@ -71,7 +71,7 @@ aws-cdk-lib = "^2.75.0"
 pytest-benchmark = "^4.0.0"
 python-snappy = "^0.6.1"
 mypy-boto3-appconfig = "^1.26.71"
-mypy-boto3-cloudformation = "^1.26.149"
+mypy-boto3-cloudformation = "^1.26.156"
 mypy-boto3-cloudwatch = "^1.26.127"
 mypy-boto3-dynamodb = "^1.26.152"
 mypy-boto3-lambda = "^1.26.147"