fix: ArgAction is non-exhaustive

clap_complete/src/shells/fish.rs

@@ -29,8 +29,8 @@ impl Generator for Fish {
                 // NOTE: Use exhaustive match to update this when new actions are added
                 // (e.g. HelpShort / HelpLong were only added recently).
                 match a.get_action() {
-                    ArgAction::Set | ArgAction::Append | ArgAction::SetTrue | ArgAction::SetFalse | ArgAction::Count => true,
                     ArgAction::Help | ArgAction::HelpShort | ArgAction::HelpLong | ArgAction::Version => false,
+                    _ => true,
                 }
         });