Actually bump yaml-merge-keys to 0.8.1

Author: simu

Cargo.toml

@@ -27,7 +27,7 @@ serde = { version = "1.0.200", features = ["derive"] }
 serde_json = "1.0.116"
 serde_yaml = "0.9.34"
 walkdir = "2.5.0"
-yaml-merge-keys = { version = "0.8.0", features = ["serde_yaml"] }
+yaml-merge-keys = { version = "0.8.1", features = ["serde_yaml"] }
 
 [dev-dependencies]
 criterion = "0.5.1"