Update dependency yamllint to v1.28.0

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
yamllint	1.26.3 -> 1.28.0

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Release Notes

adrienverge/yamllint

v1.28.0

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• Better compress PNG image in documentation
• Remove __future__ imports specific to Python 2
• Remove inheritance from object specific to Python 2
• Simplify GitHub Actions example in documentation
• Update ALE vim plugin link in documentation
• Update license to latest version of GPLv3
• Pre-compile disable/enable rules regexes
• Rule quoted-strings: add allow-quoted-quotes option
• Add option ignore-from-file in config

v1.27.1

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• Fix failing test on key-duplicates for old PyYAML versions

v1.27.0

Compare Source

• Add support for Python 3.10, drop Python 3.5
• Fix GitHub Actions workflow
• Refactor --format=auto logic
• Update GitHub format output to use groups
• Rule comments: allow whitespace after the shebang marker
• Multiple minor fixes in documentation
• Configure Sphinx to make man page show up in apropos
• Attempt to clarify configuration file location in documentation
• Rule key-duplicates: don't crash on redundant closing brackets or braces
• Use rstcheck to lint documentation on the CI
• Remove UTF-8 headers in Python files, since Python 2 isn't supported
• Add various tests to increase coverage
• Rule octal-values: pre-compile regex for performance
• Add sections for Visual Studio Code and IntelliJ in documentation
• Rule new-lines: add the type: platform config option
• Add the new rule float-values

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