Fix gh action workflow when docs changed (#28092)
Fix gh action workflow when docs changed (#28092)

Fixes this issue: https://github.com/vercel/next.js/pull/28077/checks?check_run_id=3326281106
azukaru/next.js,JeromeFitz/next.js,flybayer/next.js,flybayer/next.js,azukaru/next.js,zeit/next.js,zeit/next.js,azukaru/next.js,JeromeFitz/next.js,zeit/next.js,JeromeFitz/next.js,azukaru/next.js,flybayer/next.js,flybayer/next.js,JeromeFitz/next.js