Bump wpfui from 7b64042 to 9cf63b3

Bumps [wpfui](https://github.com/pizzaboxer/wpfui) from `7b64042` to `9cf63b3`.
- [Commits](bloxstraplabs/wpfui@7b64042...9cf63b3)

---
updated-dependencies:
- dependency-name: wpfui
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>