Maybe actually fix minimal versions tests too

Author: jonhoo

Cargo.toml

@@ -45,7 +45,7 @@ io-lifetimes = "0.5"
 once_cell = "1.8.0"
 dirs = "4.0.0"
 
-openssh-mux-client = { version = "0.14.0", optional = true }
+openssh-mux-client = { version = "0.14.2", optional = true }
 # needed to make openssh-mux-client compile with -Zminimal-versions
 serde = "1.0.103"