Bump rstest from 0.19.0 to 0.21.0

Bumps [rstest](https://github.com/la10736/rstest) from 0.19.0 to 0.21.0.
- [Release notes](https://github.com/la10736/rstest/releases)
- [Changelog](https://github.com/la10736/rstest/blob/master/CHANGELOG.md)
- [Commits](la10736/rstest@v0.19.0...v0.21.0)

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

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

Cargo.toml

@@ -51,7 +51,7 @@ criterion = "0.5"
 tempfile = "3.3.0"
 rand = "0.8.5"
 proptest = "1.1.0"
-rstest = "0.19.0"
+rstest = "0.21.0"
 
 [target.'cfg(not(windows))'.dev-dependencies]
 pprof = { version = "0.13.0", features = ["flamegraph", "criterion"] }

scrypt-ocl/Cargo.toml

@@ -12,4 +12,4 @@ regex = "1.10.4"
 
 [dev-dependencies]
 post-rs = { path = "../" }
-rstest = "0.19.0"
+rstest = "0.21.0"

service/Cargo.toml

@@ -38,5 +38,5 @@ tonic-build = "0.11.0"
 async-stream = "0.3.5"
 rcgen = "0.12.1"
 reqwest = { version = "0.12.4", features = ["json"] }
-rstest = "0.19.0"
+rstest = "0.21.0"
 tempfile = "3.8.0"