* chore(lychee): update link checker configuration
* refactor(ci): provide GitHub token
* refactor(ci): set a custom GitHub token
* fix(ci): set concurrency for checking links
* chore(ci): ignore more sites for lychee
* chore(ci): update lychee ignore list
---------
Co-authored-by: mergify[bot] <37929162+mergify[bot]@users.noreply.github.com>