games/veloren-weekly: mark BROKEN on aarch64 after d131803c879b

error: unsupported platform

--> cargo-crates/wasmtime-39.0.0/src/runtime/vm/sys/unix/signals.rs:394:13
 |

394 | compile_error!("unsupported platform");

|             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

Reported by: pkg-fallout