Bump enumflags2 from 0.6.4 to 0.7.4 (#11108)

* Bump enumflags2 from 0.6.4 to 0.7.4

Bumps [enumflags2](https://github.com/NieDzejkob/enumflags2) from 0.6.4 to 0.7.4.
- [Release notes](https://github.com/NieDzejkob/enumflags2/releases)
- [Commits](https://github.com/NieDzejkob/enumflags2/compare/v0.6.4...v0.7.4

)

---
updated-dependencies:
- dependency-name: enumflags2
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

* use `#[bitflags]` attribute macro

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Shawn Tabrizi <[email protected]>