aws-cloudformation/cfn-lint v1.51.1 on GitHub

What's Changed

Fix Ref and GetAtt validation for MODULE sub-resources by @kddejong in #4510
Fix TypeError in PipelineArtifactCounts when Provider is a Ref by @kddejong in #4512
Update CloudFormation schemas to 2026-05-18 by @github-actions[bot] in #4509
chore(deps): bump pyinstaller from 6.19.0 to 6.20.0 in /requirements by @dependabot[bot] in #4500
chore(deps): update pyyaml requirement from >5.4 to >=6.0.3 in /requirements by @dependabot[bot] in #4471
chore(deps): update aws-sam-translator requirement from >=1.109.0 to >=1.110.0 in /requirements by @dependabot[bot] in #4515
Update CloudFormation schemas to 2026-05-21 by @github-actions[bot] in #4513
Allow uppercase S3 bucket names, warn instead of error by @kddejong in #4516

Full Changelog: v1.51.0...v1.51.1