fix: pass auth cfg through mintd to axum (#986)

crates/cdk-mintd/Cargo.toml

@@ -23,7 +23,7 @@ sqlcipher = ["cdk-sqlite/sqlcipher"]
 # MSRV is not committed to with swagger enabled
 swagger = ["cdk-axum/swagger", "dep:utoipa", "dep:utoipa-swagger-ui"]
 redis = ["cdk-axum/redis"]
-auth = ["cdk/auth", "cdk-sqlite/auth"]
+auth = ["cdk/auth", "cdk-sqlite/auth", "cdk-axum/auth"]
 
 [dependencies]
 anyhow.workspace = true