[ci] Add missing rust-format invocation to CI
[ci] Add missing rust-format invocation to CI

Signed-off-by: Michał Mazurek <f0ee73f698464d9b24960cfd983e278ecc504ba8@semihalf.com>

lowRISC/opentitan,lowRISC/opentitan,lowRISC/opentitan,lowRISC/opentitan,lowRISC/opentitan,lowRISC/opentitan