publishing-gerrit-docs.md: Fix broken link
publishing-gerrit-docs.md: Fix broken link

Change-Id: I8730b0fb98340d1654f1c0251ef83a61b4f1be98

GerritCodeReview/homepage,GerritCodeReview/homepage,GerritCodeReview/homepage,GerritCodeReview/homepage,GerritCodeReview/homepage