- [X] Changes comply with the [maintainer
guide](https://github.com/microsoft/vcpkg-docs/blob/main/vcpkg/contributing/maintainer-guide.md).
- [X] SHA512s are updated for each updated download.
- [x] The "supports" clause reflects platforms that may be fixed by this
new version.
- [X] Any fixed [CI
baseline](https://github.com/microsoft/vcpkg/blob/master/scripts/ci.baseline.txt)
entries are removed from that file.
- [X] Any patches that are no longer applied are deleted from the port's
directory.
- [X] The version database is fixed by rerunning `./vcpkg x-add-version
--all` and committing the result.
- [X] Only one version is added to each modified port's versions file.
Updating the port to 4.3.1 was pretty painless. Adding the fix for the
iOS port seems a bit crass but I tried linking against the port without
issue. Sadly I can't test at runtime at the moment.
