Makefile: bots is not a phony target
Makefile: bots is not a phony target

bots/ is an actual directory and thus an intended make target. It should
*not* be checked out again if it already exists, as that breaks testing
a bots/ from a cockpit PR against welder-web.

jkozol/welder-web,weldr/welder-web,jkozol/welder-web,weldr/welder-web,weldr/welder-web,jkozol/welder-web,jkozol/welder-web,weldr/welder-web