GH Actions: Bump xt0rted/markdownlint-problem-matcher from 2 to 3

[dependabot[bot]]

Bumps xt0rted/markdownlint-problem-matcher from 2 to 3.

Release notes

Sourced from xt0rted/markdownlint-problem-matcher's releases.

v3.0.0

• Updated node runtime from 16 to 20
• Bumped @actions/core from 1.10.0 to 1.10.1

Changelog

Sourced from xt0rted/markdownlint-problem-matcher's changelog.

Changelog

Unreleased

Commits

• 1a5fabf Release v3.0.0
• a359afa v3.0.0
• 0ce3b88 Update ci.yml
• e69f0d9 Update CHANGELOG.md
• 2656d5b Merge pull request #705 from xt0rted/node20
• 379f978 Include source map and license file in output
• 2235a72 Add clean script
• 27738cb Add dependabot groups
• e42e405 Bump jest from 28.1.3 to 29.7.0
• ff32f05 Use es modules
• Additional commits viewable in compare view

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[coveralls]

coverage: 97.254%. remained the same when pulling 2e2bbe56709d1119e0d4b8c39d18072672c9aa91 on dependabot/github_actions/1.x/xt0rted/markdownlint-problem-matcher-3 into f25133c38695b4fe14b62d215a218f5329d0dd69 on 1.x.