Update test-case requirement from 2.0.2 to 3.0.0 (#40)

Updates the requirements on [test-case](https://github.com/frondeus/test-case) to permit the latest version.
- [Release notes](https://github.com/frondeus/test-case/releases)
- [Changelog](https://github.com/frondeus/test-case/blob/master/CHANGELOG.md)
- [Commits](frondeus/test-case@v2.0.2...v3.0.0)

---
updated-dependencies:
- dependency-name: test-case
  dependency-type: direct:production
...

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

Author: dependabot[bot]

Cargo.toml

@@ -23,7 +23,7 @@ thiserror = "1.0.30"
 [dev-dependencies]
 fenwick-model = { path = "./fenwick-model" }
 criterion = "0.4.0"
-test-case = "2.0.2"
+test-case = "3.0.0"
 
 [[bench]]
 name = "sherlock"