Nushell Engine-Q and Reedline Updates

- jt [added support for quick completions](https://github.com/nushell/engine-q/pull/927), and [improved subcommand completions](https://github.com/nushell/engine-q/pull/926), and added [Command tests](https://github.com/nushell/engine-q/pull/922), and [added initial nu-test-support port](https://github.com/nushell/engine-q/pull/913), and [Add a fallback if Windows external spawn fails](https://github.com/nushell/engine-q/pull/902), and [Wait on the plugin child to prevent zombies](https://github.com/nushell/engine-q/pull/901), and [Use 'table' during internal->external](https://github.com/nushell/engine-q/pull/898), and [Ignore clippy's erroneous warnings](https://github.com/nushell/engine-q/pull/895), and [Port `detect columns`](https://github.com/nushell/engine-q/pull/892), and [Add support for `def-env` and `export def-env`](https://github.com/nushell/engine-q/pull/887), and [Variables should error on use rather than value span](https://github.com/nushell/engine-q/pull/881) - kubouch [allowed def-env to hide environment variables](https://github.com/nushell/engine-q/pull/921), and [allowed viewing the source code of blocks](https://github.com/nushell/engine-q/pull/894) - sholderbach created [Update reedline to paste multiple command lines](https://github.com/nushell/engine-q/pull/920), and [Obligatory reedline bump](https://github.com/nushell/engine-q/pull/914) - elferherrera created [list keybinding options](https://github.com/nushell/engine-q/pull/906), and [Reedline bump](https://github.com/nushell/engine-q/pull/905), and [reedline bump](https://github.com/nushell/engine-q/pull/896) - stormasm created [add help --find to help doc](https://github.com/nushell/engine-q/pull/890), and [add in a table test with multiple columns](https://github.com/nushell/engine-q/pull/886) - voidash created [Add strftime cheatsheet for `into datetime` (#869)](https://github.com/nushell/engine-q/pull/883) - onthebridgetonowhere created [Port rotate](https://github.com/nushell/engine-q/pull/880), and [Port rename](https://github.com/nushell/engine-q/pull/877) - eggcaker created [Update 3rd_Party_Prompts.md](https://github.com/nushell/engine-q/pull/878) - chen244 created [Maybe solve the none bug?](https://github.com/nushell/engine-q/pull/860) ## reedline - jt [added support for quick completions](https://github.com/nushell/reedline/pull/296) - sholderbach created [Clean engine by coalesced painting and abstraction](https://github.com/nushell/reedline/pull/295), and [Improve default keybindings slightly for vi](https://github.com/nushell/reedline/pull/293), and [Polishing in the painter](https://github.com/nushell/reedline/pull/292), and [Init prompt without superfluous line at the bottom](https://github.com/nushell/reedline/pull/287) - elferherrera created [Continous history index](https://github.com/nushell/reedline/pull/290), and [increase default page size](https://github.com/nushell/reedline/pull/289), and [continuous history](https://github.com/nushell/reedline/pull/288), and [growing menu](https://github.com/nushell/reedline/pull/286), and [dynamic menu](https://github.com/nushell/reedline/pull/284) - fdncred created [list things with `reedline --list`](https://github.com/nushell/reedline/pull/285)

Updates to Nushell's engine-q include improvements to command completion, the addition of `def-env` support, bug fixes, and the porting of features like rotate and rename. Reedline updates include support for quick completions, improvements to keybindings, and enhancements to history and menu functionalities.