Markdown dead link checker

Version updated for AlexanderDokuchaev/md-dead-link-check to version v0.7.

• This action is used across all versions by 3 repositories.

Go to the GitHub Marketplace to find the latest changes.

Release notes

• Fixed github action to set not default config file.
• Updated readme of usage github actions.

• AlexanderDokuchaev
• GitHub Actions