As cargo machete now uses rust edition2024 we cannot use the older rust
version - we need to install the newest on the runner
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Co-authored-by: lucasmerlin <lucasmeurer96@gmail.com>
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cargo machete depends on cargo-platform which seems to bumped it's msrv.
Installing via --locked should fix this for now. I think it's fine to do
this manually instead of using the cargo action since it's so simple and
the action we used basically did the same (without --locked)