fix: set NIGHTLY=1 for correctly named nightly artifacts (#9987)
fix: set NIGHTLY=1 for correctly named nightly artifacts (#9987)


Brightspace/telegraf,influxdata/telegraf,Brightspace/telegraf,influxdata/telegraf,nferch/telegraf,influxdata/telegraf,Brightspace/telegraf,nferch/telegraf,nferch/telegraf