Engine-q and Reedline Updates

- jt added [Support recursive functions in capture](https://github.com/nushell/engine-q/pull/797), and [Add CMD_DURATION_MS](https://github.com/nushell/engine-q/pull/794), and [let prompt env vars take strings](https://github.com/nushell/engine-q/pull/790), and [Better help search](https://github.com/nushell/engine-q/pull/789), and [bump reedline](https://github.com/nushell/engine-q/pull/788), and [add `cd -` support](https://github.com/nushell/engine-q/pull/787), and [Bump reedline](https://github.com/nushell/engine-q/pull/785), and [add some more division for units](https://github.com/nushell/engine-q/pull/783), and [Add `which` command, add external completions, and builtin var completions](https://github.com/nushell/engine-q/pull/782), and [Show error on bad config, but keep going](https://github.com/nushell/engine-q/pull/778), and [Improve env shorthand parse](https://github.com/nushell/engine-q/pull/777), and [Let 'to toml' output block source](https://github.com/nushell/engine-q/pull/763), and [Enter now requires a directory](https://github.com/nushell/engine-q/pull/761), and [Add rest to get, bump reedline](https://github.com/nushell/engine-q/pull/760), and [Add simple stdin input command](https://github.com/nushell/engine-q/pull/754), and [Add support for load-env](https://github.com/nushell/engine-q/pull/752), and [Save](https://github.com/nushell/engine-q/pull/750), and [Hide Windows ps status, bump reedline](https://github.com/nushell/engine-q/pull/749), and [Improve keyword parsing, including for](https://github.com/nushell/engine-q/pull/747) - elferherrera created [menu performance](https://github.com/nushell/engine-q/pull/793), and [general keybindings](https://github.com/nushell/engine-q/pull/775), and [simple event keybinding](https://github.com/nushell/engine-q/pull/773), and [Keybindings config](https://github.com/nushell/engine-q/pull/768), and [menu options](https://github.com/nushell/engine-q/pull/748) - stormasm created [update all cargo crates to edition 2021](https://github.com/nushell/engine-q/pull/781) - kubouch created [Fix empty entry in ls](https://github.com/nushell/engine-q/pull/759), and [Fix ls relative path & command argument path expansion](https://github.com/nushell/engine-q/pull/757), and [Revert "Fix ls relative path and erroring on fake dir"](https://github.com/nushell/engine-q/pull/744) - nibon7 created [Port `seq` command](https://github.com/nushell/engine-q/pull/755) - onsah created [Fix not equal returning error when same things are compared in some cases](https://github.com/nushell/engine-q/pull/709) - onthebridgetonowhere created [Fix ls relative path and erroring on fake dir](https://github.com/nushell/engine-q/pull/697) ## reedline - sholderbach added [Support "token by token" hint completion](https://github.com/nushell/reedline/pull/269), and [Ensure easy mapping of (key)events to different context dependent event handlers](https://github.com/nushell/reedline/pull/267), and [Distill `DefaultHinter` down to history suggestions](https://github.com/nushell/reedline/pull/265), and [Remove `Reedline::print_line` from the API](https://github.com/nushell/reedline/pull/263), and [Remove superfluous insertion of carriage return](https://github.com/nushell/reedline/pull/262) - elferherrera added [menu performance](https://github.com/nushell/reedline/pull/268), and [action and complete events](https://github.com/nushell/reedline/pull/260), and [Parsing keybindings](https://github.com/nushell/reedline/pull/257), and [Tab backwards](https://github.com/nushell/reedline/pull/255), and [Tab correction](https://github.com/nushell/reedline/pull/254), and [Menu config](https://github.com/nushell/reedline/pull/253)

Updates to engine-q include contributions from multiple developers, such as jt, elferherrera, stormasm, kubouch, nibon7, onsah, and onthebridgetonowhere. Changes range from supporting recursive functions and adding new commands like 'which' and 'seq', to improving error handling, keyword parsing, and configuration loading. Reedline updates include improvements to hint completion, key event handling, menu performance and configuration, and removal of unnecessary API elements.