Upgrade: [dependabot] - bump cfn-lint from 1.19.0 to 1.20.0

Bumps [cfn-lint](https://github.com/aws-cloudformation/cfn-lint) from 1.19.0 to 1.20.0.
- [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@v1.19.0...v1.20.0)

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

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

Author: dependabot[bot]

poetry.lock

@@ -34,7 +34,7 @@ boto3 = "^1.35.63"
 argparse = "^1.4.0"
 pre-commit = "^3.5.0"
 pytest = "^8.3.3"
-cfn-lint = "^1.19.0"
+cfn-lint = "^1.20.0"
 
 [tool.poetry.dev-dependencies]
 flake8 = "^5.0.4"