0.31.1

• Update vendored schemas: buildkite, cloudbuild, compose-spec, mergify, renovate (2025-01-26)
• Update the gitlab and renovate hooks to use --regex-variant nonunicode. Thanks @quentin-ag and @Callek for reporting! (#516, #518)
• Update the required ruamel.yaml version to a range, >=0.18.10,<0.19.0.