Bug#1078556: bash: 5.2.21-2.1 to 5.2.21-2.1+b1 breaks printf %.2f .1

[Konomi]

There's a post on bug-bash talking about this issue:
https://lists.gnu.org/archive/html/bug-bash/2024-08/msg00087.html.
It's probably better to consider whatever patch upstream comes up with
rather than what arch linux did.