Bump multiversion from 0.7.4 to 0.8.0

Bumps [multiversion](https://github.com/calebzulawski/multiversion) from 0.7.4 to 0.8.0.
- [Release notes](https://github.com/calebzulawski/multiversion/releases)
- [Changelog](https://github.com/calebzulawski/multiversion/blob/master/CHANGELOG.md)
- [Commits](calebzulawski/multiversion@0.7.4...0.8.0)

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

Signed-off-by: dependabot[bot] <support@github.com>

Cargo.toml

@@ -31,7 +31,7 @@ num-traits = "0.2"
 [dev-dependencies]
 criterion = { version = "0.5", default-features = false }
 hwlocality = "1.0.0-alpha.6"
-multiversion = "0.7"
+multiversion = "0.8"
 proptest = "1.5"
 rand = "0.8"
 static_assertions = "1.1.0"