Rollup of 8 pull requests
Successful merges:
- #130356 (don't warn about a missing change-id in CI)
- #130900 (Do not output () on empty description)
- #131066 (Add the Chinese translation entry to the RustByExample build process)
- #131067 (Fix std_detect links)
- #131644 (Clean up some Miri things in `sys/windows`)
- #131646 (sys/unix: add comments for some Miri fallbacks)
- #131653 (Remove const trait bound modifier hack)
- #131659 (enable `download_ci_llvm` test)
r? `@ghost`
`@rustbot` modify labels: rollup
5ceb623a4a