build(deps): update pretty_assertions requirement from 0.7.2 to 1.0.0

Updates the requirements on [pretty_assertions](https://github.com/colin-kiegel/rust-pretty-assertions) to permit the latest version.
- [Release notes](https://github.com/colin-kiegel/rust-pretty-assertions/releases)
- [Changelog](https://github.com/colin-kiegel/rust-pretty-assertions/blob/main/CHANGELOG.md)
- [Commits](rust-pretty-assertions/rust-pretty-assertions@v0.7.2...v1.0.0)

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

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

async-raft/Cargo.toml

@@ -31,7 +31,7 @@ tracing-futures = "0.2.4"
 [dev-dependencies]
 maplit = "1.0.2"
 memstore = { version="0.2.0", path="../memstore" }
-pretty_assertions = "0.7.2"
+pretty_assertions = "1.0.0"
 tracing-subscriber = "0.2.10"
 
 [features]