deps: update yamllint requirement from >=1.35 to >=1.38.0

[dependabot]

Updates the requirements on yamllint to permit the latest version.

Changelog

Sourced from yamllint's changelog.

1.38.0 (2026-01-13)

• Add support for Python 3.14, drop support for Python 3.9
• Require pathspec ≥ 1.0.0
• Config: Follow gitignore implementation in yaml-files and ignore
• Config: Use "mapping" instead of "dict" for user-facing errors
• Rule indentation: Fix error message for check-multi-line-strings
• Rule quoted-strings: Add quote-type: consistent
• Docs: Update the name of BSD ports
• Docs: Enhance wording of recursive directory lint in README
• Docs: Add Alpine Linux installation instructions in README

1.37.1 (2025-05-04)

• Rule comments: tell how many spaces are expected
• Rule quoted-strings: Fix only-when-needed on multiline with backslash
• Config: Report if rules is not a dict
• Fix test_codec_built_in_equivalent() test when run with pytest
• CI: Fix TestPyPI "dev0" versions for master commits on tags
• Docs: Add links to GitHub repository and releases
• Docs: Fix GitLab integration example
• Docs: Fix GitLab integration link
• Fix the tests badge link on the README

1.37.0 (2025-03-23)

• Automatically detect Unicode character encoding of files
• Publish pushes to master branch to TestPyPI

1.36.2 (2025-03-17)

• Build: Restore missing documentation and tests in sdist

1.36.1 (2025-03-15)

• Publish PyPI releases using GitHub Actions workflows

1.36.0 (2025-03-11)

• Add support for Python 3.13, drop support for Python 3.8
• Rule key-ordering: add ignored-keys option
• Rule quoted-strings: fix only-when-needed and escaped special chars
• Fix TTY-related tests on Python 3.14
• Docs: fix import of yamllint.config rather than yamllint

... (truncated)

Commits

• cba56bc yamllint version 1.38.0
• 9dc506b Require pathspec ≥ 1.0.0 and follow Git's gitignore implementation
• 73b9c0b Drop support for Python 3.9
• 22d07ed indentation: Fix error message for check-multi-line-strings
• cfbfe9b README: Add Alpine Linux installation instructions
• a3b3bb3 README: Enhance wording of recursive directory lint
• e3b72f5 quoted-strings: Add missing quote-type: consistent docs
• e3d54cc quoted-strings: Add quote-type: consistent
• 0b4ddc8 CI: Update GitHub Actions
• 866f805 build: Remove license-files from pyproject.toml
• Additional commits viewable in compare view