Fix Dockerfile min rust version to 1.72 #9135
Merged
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Which issue does this PR close?
Part of #8743
Rationale for this change
I didn't completely update rust versions in #8997, as pointed out by @Omega359 #8997 (comment)
What changes are included in this PR?
Update Dockerfile to use rust 1.72
Are these changes tested?
No (it might be good to add some sort of short CI check that the rust versions are consistent)
Are there any user-facing changes?