Add `riscv64gc-unknown-linux-gnu` and `riscv64gc-unknown-linux-musl` target on binary

[OctopusET]

Working branch: https://github.com/OctopusET/bat/tree/riscv64 Failed CI: https://github.com/OctopusET/bat/actions/runs/18910014240/job/53977874904 Related issue: https://github.com/cross-rs/cross/issues/1719

Currently CI fails because of two reason: riscv64gc-unknown-linux-gnu: cross-rs bug (maybe), test success without cross and only with QEMU + carget test --target riscv64gc-unknown-linux-gnu riscv64gc-unknown-linux-musl: Action image uses release version of cross, it's released in 2023, it should be updated to git version or cross should release new version.