chore(deps): bump rstest from 0.7.0 to 0.9.0 (#13)

Author: dependabot[bot]

Cargo.lock

@@ -38,7 +38,7 @@ structopt = { version = "^0.3.21", features = ["wrap_help"], optional = true }
 structopt = "^0.3.21"
 
 [dev-dependencies]
-rstest = "^0.7.0"
+rstest = "^0.9.0"
 
 [profile.release]
 lto = true