CI: force registry:2.6

[vrothberg]

Force using the registry:2.6 image. 2.7 and beyond dropped the
htpasswd binary from the rootfs which parts of our CI depends
on.

While this is not a sustainable solution (assuming htpasswd is gone
for ever), it unblocks the CI for now.

Signed-off-by: Valentin Rothberg [email protected]

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[vrothberg]

FYI @baude @mheon

[rhatdan]

LGTM
Need to figure out a long term solution.

[edsantiago]

LGTM. Thank you for tracking that down.

[rhatdan]

/lgtm
/hold

[vrothberg]

/hold cancel

[TomSweeneyRedHat]

@cevich FYI

[edsantiago]

assuming htpasswd is gone for ever

FWIW their own documentation describes the use of htpasswd in their container. It is hard to imagine that we are the only ones impacted by this.

[mheon]

@vrothberg FYI we probably need a backport of this to the v1.9 branch, in case we ever need to do further backports there