Update test-strategy requirement from 0.3.0 to 0.4.0

Updates the requirements on [test-strategy](https://github.com/frozenlib/test-strategy) to permit the latest version.
- [Commits](frozenlib/test-strategy@v0.3.0...v0.4.0)

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

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

Cargo.toml

@@ -41,7 +41,7 @@ eframe = { version = "0.27.2", default-features = false, features = ["default_fo
 mockall = { version = "0.12.1", default-features = false }
 proptest = { version = "1.0.0", default-features = false, features = ["std"] }
 ring-channel = { version = "0.12.0", default-features = false, features = ["std", "futures_api"] }
-test-strategy = { version = "0.3.0", default-features = false }
+test-strategy = { version = "0.4.0", default-features = false }
 tokio = { version = "1.17.0", default-features = false, features = ["macros", "rt-multi-thread"] }
 
 [[example]]