[Nightly] Can't use parser keyword `run` as command name.

[Paul-16098]

nushell/nushell#18662

Error: nu::parser::name_is_keyword

  × Can't use parser keyword `run` as command name.
    ╭─[C:\Users\xxx\.config\nushell\nupm\modules\numd\commands.nu:19:12]
 16 │ @example "preview which blocks would execute, without running them" {
 17 │     numd run --dry-run README.md
 18 │ }
 19 │ export def run [
    ·            ─┬─
    ·             ╰── 'run' is a parser keyword
 20 │     file: path # path to a `.md` file containing Nushell code to be executed
 21 │     --dry-run # return blocks that would execute (block_index, infostring, code) without executing anything
 22 │     --echo # output resulting markdown to stdout instead of saving to file
    ╰────
  help: Parser keywords cannot be shadowed (including via module exports and `use *`). Choose a different command name so language constructs
        keep working.