Bump enumflags2 from 0.7.5 to 0.7.7

Bumps [enumflags2](https://github.com/meithecatte/enumflags2) from 0.7.5 to 0.7.7.
- [Release notes](https://github.com/meithecatte/enumflags2/releases)
- [Commits](meithecatte/enumflags2@v0.7.5...v0.7.7)

---
updated-dependencies:
- dependency-name: enumflags2
  dependency-type: indirect
...

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