CI: Fix and reenable Windows tests
CI: Fix and reenable Windows tests

- Force qemu install to the latest working version
- Same changes as in https://github.com/hermitcore/libhermit-rs/pull/126/commits/36f2e2b339d16462dbdeb2ccf79f5c96b1244d61
hermitcore/rusty-hermit,hermitcore/rusty-hermit