Merge branch 'query-proposal-votes' (#2611)

* dsrvlabs/query-proposal-votes:
  add changelog
  show help for query-proposal-votes when no arg provided

.changelog/unreleased/improvements/2611-show-help-for-query-proposal-votes.md

@@ -0,0 +1,2 @@
+- Show help message for query-proposal subcommand instead of crashing when no
+  arg provided. ([\#2611](https://github.com/anoma/namada/pull/2611))

crates/apps/src/lib/cli.rs

@@ -1075,6 +1075,7 @@ pub mod cmds {
         fn def() -> App {
             App::new(Self::CMD)
                 .about("Query votes for the proposal.")
+                .arg_required_else_help(true)
                 .add_args::<args::QueryProposalVotes<args::CliTypes>>()
         }
     }