Bumps [d3d12](https://github.com/gfx-rs/d3d12-rs) from 0.3.0 to 0.3.1. - [Release notes](https://github.com/gfx-rs/d3d12-rs/releases) - [Changelog](https://github.com/gfx-rs/d3d12-rs/blob/master/CHANGELOG.md) - [Commits](https://github.com/gfx-rs/d3d12-rs/commits) Signed-off-by: dependabot-preview[bot] <support@dependabot.com>