[Bug]: Arm builds are broken since update to rust 1.81

[Nothing4You]

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Summary

#5032 updated rust to 1.81, but lemmy-cross-toolchains still ships rust 1.80.

building lemmy with rust 1.80 is not supported, as the codebase uses features only stabilized in 1.81.

Steps to Reproduce

1. build lemmy for arm

Technical Details

error[E0658]: the `#[expect]` attribute is an experimental feature
   --> crates/db_schema/src/newtypes.rs:194:1
    |
194 | #[expect(clippy::from_over_into)]
    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    |
    = note: see issue #54503 <https://github.com/rust-lang/rust/issues/54503> for more information

Version

0.19.6-beta.7

Lemmy Instance URL

No response

[dessalines]

Check out my PR to do this the last time for that repo: raskyld/lemmy-cross-toolchains#5 . Then you'll need to ping rasky to do another release for it.