Filter 7 external links to pass ci check (#5478)
Filter 7 external links to pass ci check (#5478)

* Filter 4 external links to pass ci check

* add 3 more links

* Update .github/workflows/link-check.yaml

Co-authored-by: Keke Yi <4b13e11d5beb5669a80650bc9e0535372af5b679@users.noreply.github.com>

Co-authored-by: Keke Yi <4b13e11d5beb5669a80650bc9e0535372af5b679@users.noreply.github.com>
pingcap/docs-cn,pingcap/docs-cn