Bump submodules/wil from d0f7e44 to 6f60a1b (#707)

Bumps [submodules/wil](https://github.com/microsoft/wil) from `d0f7e44` to `6f60a1b`.
- [Release notes](https://github.com/microsoft/wil/releases)
- [Commits](microsoft/wil@d0f7e44...6f60a1b)

---
updated-dependencies:
- dependency-name: submodules/wil
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>