Downgrade axum-test

Author: aumetra

integrations/axum_garde/Cargo.toml

@@ -36,7 +36,7 @@ garde = { version = "0.19.0", path = "../../garde", features = [
   "derive",
 ] }
 axum = { version = "0.7", features = ["default", "macros"] }
-axum-test = { version = "15" }
+axum-test = { version = "14.10" }
 tokio = { version = "1.28", features = ["full"] }
 prost = { version = "0.12" }
 rstest = { version = "0.21" }