nushell/pull/17741 make cargo-make-completions.nu#L19 error

[Paul-16098]

nushell/nushell#17741 make https://github.com/nushell/nu_scripts/blob/main/custom-completions/cargo-make/cargo-make-completions.nu#L19 error:

  × `env` used as variable name.
    ╭─[C:\Users\pl816\.config\nushell\autoload\cargo-make-completions.nu:19:5]
 16 │     --skip-init-end-tasks                # If set, init and end tasks are skipped
 17 │     --skip-tasks: string                 # Skip all tasks that match the provided regex (example: pre.*|post.*)
 18 │     --env-file: path                     # Set environment variables from provided file
 19 │     --env(-e): string                    # Set environment variables
    ·     ────┬────
    ·         ╰── already a builtin variable
 20 │     --loglevel(-l): string@"nu-complete loglevels"  # The log level (verbose, info, error, off) [default: info]
 21 │     --verbose(-v)                        # Sets the log level to verbose (shorthand for --loglevel verbose)
 22 │     --quiet                              # Sets the log level to error (shorthand for --loglevel error)
    ╰────
  help: 'env' is the name of a builtin Nushell variable and cannot be used as a variable name

[blindFS]

Thanks for the heads-up. I think we need to parse the signatures of externs in a slightly lighter way.