Fix fmt ci

blockchain/Cargo.toml

@@ -9,6 +9,7 @@ license = "AGPL-3.0"
 path = "lib.rs"
 
 [dependencies]
+dirs = "1.0.2"
 duniter-conf = { path = "../conf" }
 duniter-crypto = { path = "../crypto" }
 duniter-dal = { path = "../dal" }