enhance(cli): add context before prompting password (#15033)

* enhance(cli): add context before prompting password

* Add change file

Author: Legend-Master

.changes/prompt-signing-key-password-context.md

@@ -0,0 +1,6 @@
+---
+"tauri-cli": patch:enhance
+"@tauri-apps/cli": patch:enhance
+---
+
+Show the context before prompting for updater signing key password

crates/tauri-cli/src/bundle.rs

@@ -287,6 +287,9 @@ fn sign_updaters(
   } else {
     private_key
   };
+  if password.is_none() {
+    log::info!("Decrypting updater signing key, expect a prompt for password")
+  }
   let secret_key =
     updater_signature::secret_key(private_key, password).context("failed to decode secret key")?;
   let public_key = updater_signature::pub_key(pubkey).context("failed to decode pubkey")?;