update lints dependency

[github-actions[bot]]

Package publishing

Package	Version	Status	Publish tag (post-merge)
package:markdown	7.2.3	ready to publish	v7.2.3

Documentation at https://github.com/dart-lang/ecosystem/wiki/Publishing-automation.

[coveralls]

Pull Request Test Coverage Report for Build 9277552446

Details

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 96.099%

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Totals
Change from base Build 9274633473:	0.0%
Covered Lines:	1552
Relevant Lines:	1615

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💛 - Coveralls