Upgrade: [dependabot] - bump cfn-lint from 1.39.1 to 1.40.0

Bumps [cfn-lint](https://github.com/aws-cloudformation/cfn-lint) from 1.39.1 to 1.40.0.
- [Release notes](https://github.com/aws-cloudformation/cfn-lint/releases)
- [Changelog](https://github.com/aws-cloudformation/cfn-lint/blob/main/CHANGELOG.md)
- [Commits](aws-cloudformation/cfn-lint@v1.39.1...v1.40.0)

---
updated-dependencies:
- dependency-name: cfn-lint
  dependency-version: 1.40.0
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

poetry.lock

@@ -20,7 +20,7 @@ python = "^3.13"
 [tool.poetry.group.dev.dependencies]
 pytest = "^8.4.2"
 pre-commit = "^4.3.0"
-cfn-lint = "^1.39.1"
+cfn-lint = "^1.40.0"
 black = "^25.9.0"
 flake8 = "^7.3.0"
 jinja2 = "^3.1.6"