misc: make passwords longer (#1649)

Author: chesedo

provisioner/src/lib.rs

@@ -573,7 +573,7 @@ impl Provisioner for ShuttleProvisioner {
 fn generate_password() -> String {
     rand::thread_rng()
         .sample_iter(&rand::distributions::Alphanumeric)
-        .take(12)
+        .take(32)
         .map(char::from)
         .collect()
 }