Bump markdownlint-cli from 0.39.0 to 0.40.0 #686

Job	Run time
lint-markdown	9s
build (macos-latest)	27s
build (ubuntu-latest)	32s
build (windows-latest)	4m 35s
integration (macos-latest, default)	38s
integration (macos-latest, bash)	39s
integration (macos-latest, pwsh)	33s
integration (ubuntu-latest, default)	41s
integration (ubuntu-latest, bash)	1m 1s
integration (ubuntu-latest, pwsh)	1m 30s
integration (windows-latest, default)	3m 1s
integration (windows-latest, pwsh)	5m 1s
integration (windows-latest, C:\Program Files\Git\bin\bash.exe)	4m 13s
release	0s
	23m 0s

Provide feedback