Changes

• 11bf4064 ci: fail fast build if something return error
• a62290c9 ci: build metadata-get jar buring a build (this update will be removed ones all metafiles become paert of checkstyle)
• e8a7fa64 Issue #243: update to Checkstyle 8.35

Please read the Checkstyle release notes for details on recent and potentially breaking changes in Checkstyle. Checkstyle configuration files potentially need to be adapted to this version.