chore(rust)(deps): update test-strategy requirement in /wnfs

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]>

wnfs/Cargo.toml

@@ -64,7 +64,7 @@ rsa = "0.9"
 serde_json = "1.0.103"
 sha2 = "0.10"
 test-log = "0.2"
-test-strategy = "0.3"
+test-strategy = "0.4"
 testresult = "0.4.0"
 tiny-bip39 = "1.0"
 wnfs-common = { path = "../wnfs-common", features = ["test_utils"] }