Bump @redocly/cli from 2.26.0 to 2.28.0 #255

Job	Run time
Set CI/CD metadata	4s
Commit stage / Scan dependencies	52s
Commit stage / Check English usage	10s
Commit stage / Scan secrets	8s
Commit stage / Check Markdown format	6s
Commit stage / Check file format	6s
Commit stage / Count lines of code	9s
Commit stage / Lint and validate OpenAPI	37s
	2m 12s

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