build(deps): bump slang from 2ba4087 to 71ba68b

Bumps [slang](https://github.com/MikePopoloski/slang) from `2ba4087` to `71ba68b`.
- [Release notes](https://github.com/MikePopoloski/slang/releases)
- [Commits](MikePopoloski/slang@2ba4087...71ba68b)

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

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