Add unittest

[  153s] + ./clap_builder
[  153s]
[  153s] running 76 tests
[  153s] test builder::arg::test::flag_display_count ... ok
[  153s] test builder::arg::test::flag_display_long ... ok
[  153s] test builder::arg::test::flag_display_multiple_aliases ... ok
[  153s] test builder::arg::test::flag_display_multiple_short_aliases ... ok
[  153s] test builder::arg::test::flag_display_short ... ok
[  153s] test builder::arg::test::flag_display_single_alias ... ok
[  153s] test builder::arg::test::flag_display_single_short_alias ... ok
[  153s] test builder::arg::test::option_display3 ... ok
[  153s] test builder::arg::test::option_display_multiple_aliases ... ok
[  153s] test builder::arg::test::option_display_multiple_occurrences ... ok
[  153s] test builder::arg::test::option_display_multiple_short_aliases ... ok
[  153s] test builder::arg::test::option_display_multiple_values ... ok
[  153s] test builder::arg::test::option_display_optional_value ... ok
[  153s] test builder::arg::test::option_display_one_or_more_values_with_value_name ... ok
[  153s] test builder::arg::test::option_display_one_or_more_values ... ok
[  153s] test builder::arg::test::option_display_single_alias ... ok
[  153s] test builder::arg::test::option_display_single_short_alias ... ok
[  153s] test builder::arg::test::option_display_value_names ... ok
[  153s] test builder::arg::test::option_display_zero_or_more_values_with_value_name ... ok
[  153s] test builder::arg::test::option_display_zero_or_more_values ... ok
[  153s] test builder::arg::test::positional_display_multiple_occurrences ... ok
[  153s] test builder::arg::test::positional_display_multiple_values ... ok
[  153s] test builder::arg::test::positional_display_multiple_occurrences_required ... ok
[  153s] test builder::arg::test::positional_display_multiple_values_required ... ok
[  153s] test builder::arg::test::positional_display_one_or_more_values ... ok
[  153s] test builder::arg::test::positional_display_one_or_more_values_required ... ok
[  153s] test builder::arg::test::positional_display_required ... ok
[  153s] test builder::arg::test::positional_display_optional_value ... ok
[  153s] test builder::arg::test::positional_display_val_names ... ok
[  153s] test builder::arg::test::positional_display_val_names_req ... ok
[  153s] test builder::arg::test::positional_display_val_names_required ... ok
[  153s] test builder::arg::test::positional_display_zero_or_more_values ... ok
[  153s] test builder::arg_group::test::arg_group_expose_get_args_helper ... ok
[  153s] test builder::arg_group::test::arg_group_send_sync ... ok
[  153s] test builder::arg_group::test::arg_group_expose_is_multiple_helper ... ok
[  153s] test builder::arg_group::test::groups ... ok
[  153s] test builder::arg_group::test::test_from ... ok
[  153s] test builder::arg_settings::test::setting ... ok
[  153s] test builder::arg_settings::test::setting_bitor ... ok
[  153s] test builder::arg_settings::test::unset_setting ... ok
[  153s] test builder::command::check_auto_traits ... ok
[  153s] test builder::arg_settings::test::unset_setting_bitor ... ok
[  153s] test builder::range::test::from_fixed_empty ... ok
[  153s] test builder::range::test::from_fixed ... ok
[  153s] test builder::range::test::from_range ... ok
[  153s] test builder::range::test::from_range_from ... ok
[  153s] test builder::range::test::from_range_inclusive ... ok
[  153s] test builder::range::test::from_range_to ... ok
[  153s] test builder::range::test::from_range_to_inclusive ... ok
[  153s] test builder::tests::app_send_sync ... ok
[  153s] test builder::tests::arg_send_sync ... ok
[  153s] test builder::range::test::from_range_full ... ok
[  153s] test builder::tests::global_setting ... ok
[  153s] test error::check_auto_traits ... ok
[  153s] test builder::tests::propagate_version ... ok
[  153s] test builder::value_parser::test::ensure_typed_applies_to_parse ... ok
[  153s] test builder::tests::issue_2090 ... ok
[  153s] test parser::error::check_auto_traits ... ok
[  153s] test parser::features::suggestions::test::ambiguous ... ok
[  153s] test parser::features::suggestions::test::best_fit ... ok
[  153s] test parser::features::suggestions::test::flag_ambiguous ... ok
[  153s] test parser::features::suggestions::test::flag_best_fit ... ok
[  153s] test parser::features::suggestions::test::best_fit_long_common_prefix_issue_4660 ... ok
[  153s] test parser::features::suggestions::test::flag_missing_letter ... ok
[  153s] test parser::features::suggestions::test::missing_letter ... ok
[  153s] test parser::features::suggestions::test::flag_unrelated ... ok
[  153s] test parser::matches::arg_matches::tests::check_auto_traits ... ok
[  153s] test parser::features::suggestions::test::unrelated ... ok
[  153s] test parser::matches::arg_matches::tests::test_default_indices ... ok
[  153s] test parser::matches::arg_matches::tests::os_values_exact_size ... ok
[  153s] test parser::matches::arg_matches::tests::test_default_raw_values ... ok
[  153s] test parser::matches::arg_matches::tests::indices_exact_size ... ok
[  153s] test parser::matches::arg_matches::tests::test_default_indices_with_shorter_lifetime ... ok
[  153s] test parser::matches::arg_matches::tests::values_exact_size ... ok
[  153s] test parser::matches::matched_arg::tests::test_grouped_vals_first ... ok
[  153s] test output::textwrap::core::tests::emojis_have_correct_width ... ok
[  153s]
[  153s] test result: ok. 76 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.10s

Bump to rust-clap_builder 4.2.1

Import clap_builder 4.2.1