cosmic-settings fails to cross compile for riscv64-linux

[RossComputerGuy]

  --- stderr
  thread 'main' panicked at /build/cosmic-settings-1.0.0-alpha.4-unstable-2024-12-17-vendor/bindgen-0.69.5/lib.rs:622:31:
  Unable to find libclang: "the `libclang` shared library at /nix/store/pcs60p9pghggp5ycs47kk53cddvgym86-clang-riscv64-unknown-linux-gnu-18.1.8-lib/lib/libclang.so.18.1.8 could not be opened: /nix/store/pcs60p9pghggp5ycs47kk53cddvgym86-clang-riscv64-unknown-linux-gnu-18.1.8-lib/lib/libclang.so.18.1.8: cannot open shared object file: No such file or directory"
  note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace
warning: build failed, waiting for other jobs to finish..