[Core\any] `_` could be aliased to `any`

[github-actions]

we should clean up word definitions and consider

it a pure symbol first.

https://github\.com/arturo\-lang/arturo/pull/1774

arturo/src/library/Core.nim

Line 1744 in ba1432d

# TODO(Core\any) `_` could be aliased to `any`

    # Constants
    #----------------------------

    # TODO(Core\any) `_` could be aliased to `any`
    #  we should clean up word definitions and consider
    #  it a pure symbol first.
    #  https://github.com/arturo-lang/arturo/pull/1774
    # labels: library,→ Core, enhancement
    constant "any",
        alias       = unaliased,
        description = "the ANY constant":
            VANY

    constant "null",
        alias       = slashedzero,
        description = "the NULL constant":