Exclude https://localhost* in link-checker.yml#4

ishaoxy wants to merge 1 commit intoyuancu:backport/backport-3778-to-2.19-devyuancu/sql-plugin:backport/backport-3778-to-2.19-devfrom

ishaoxy:backport/backport-3778-to-2.19-devishaoxy/sql:backport/backport-3778-to-2.19-devCopy head branch name to clipboard