[ci] Clarify note on JAAS and add note about github actions addition
[ci] Clarify note on JAAS and add note about github actions addition

Waffle/waffle,dblock/waffle,dblock/waffle,Waffle/waffle,Waffle/waffle,hazendaz/waffle,hazendaz/waffle,dblock/waffle,hazendaz/waffle,dblock/waffle