Add info on storing cache in GitHub Actions (#10231)
Add info on storing cache in GitHub Actions (#10231)

* Add info on storing cache in GitHub Actions

* Specify yaml for code formatting

Co-Authored-By: Joe Haddad <4e0ba6b7cd003e26bd2c43baef51e423886a04cd@gmail.com>

* Fix wording

Co-Authored-By: Joe Haddad <4e0ba6b7cd003e26bd2c43baef51e423886a04cd@gmail.com>

Co-authored-by: Joe Haddad <4e0ba6b7cd003e26bd2c43baef51e423886a04cd@gmail.com>

JeromeFitz/next.js,flybayer/next.js,azukaru/next.js,JeromeFitz/next.js,azukaru/next.js,azukaru/next.js,flybayer/next.js,zeit/next.js,flybayer/next.js,azukaru/next.js,JeromeFitz/next.js,JeromeFitz/next.js,zeit/next.js,flybayer/next.js,zeit/next.js