chore(IDX): remove token from base-image-ref #272

Job	Run time
Build Base Container Image (guestos-base, ic-os/guestos/context, ic-os/guestos/context/docker-bas...	1m 12s
Build Base Container Image (guestos-base-dev, ic-os/guestos/context, ic-os/guestos/context/docker...	1m 30s
Build Base Container Image (boundaryos-base, ic-os/boundary-guestos/context, ic-os/boundary-guest...	42s
Build Base Container Image (hostos-base, ic-os/hostos/context, ic-os/hostos/context/docker-base.p...	1m 48s
Build Base Container Image (hostos-base-dev, ic-os/hostos/context, ic-os/hostos/context/docker-ba...	1m 49s
Build Base Container Image (setupos-base, ic-os/setupos/context, ic-os/setupos/context/docker-bas...	1m 44s
Build Base Container Image (setupos-base-dev, ic-os/setupos/context, ic-os/setupos/context/docker...	1m 36s
Update Reference Files PR	1s
	10m 22s

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