chore(deps-dev): bump mypy-boto3-appconfig from 1.28.0 to 1.28.12 (#2861)

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

Author: dependabot[bot]

poetry.lock

@@ -56,7 +56,7 @@ aws-cdk-lib = "^2.88.0"
 "aws-cdk.aws-apigatewayv2-integrations-alpha" = "^2.38.1-alpha.0"
 "aws-cdk.aws-apigatewayv2-authorizers-alpha" = "^2.38.1-alpha.0"
 pytest-benchmark = "^4.0.0"
-mypy-boto3-appconfig = "^1.28.0"
+mypy-boto3-appconfig = "^1.28.12"
 mypy-boto3-cloudformation = "^1.28.10"
 mypy-boto3-cloudwatch = "^1.28.0"
 mypy-boto3-dynamodb = "^1.28.11"