Log Message:
Update to 2.004000

Upstream changes:
2.004000        2023-04-05

 [ Documentation ]
 - Document that the `BoolLike` type is unstable.
 - Minor pod changes to Types::Standard.

 [ Packaging ]
 - Summarized the change log for versions prior to Type::Tiny 2.000000. If
   you need more information, see the Changes file included with Type::Tiny
   2.002001.
   <https://metacpan.org/release/TOBYINK/Type-Tiny-2.002001/source/Changes>

2.003_000       2023-04-02

 [ Documentation ]
 - Add SYNOPSIS for Type::Tiny::Class.
 - Add SYNOPSIS for Type::Tiny::Duck.
 - Add SYNOPSIS for Type::Tiny::Enum.
 - Add SYNOPSIS for Type::Tiny::Intersection.
 - Add SYNOPSIS for Type::Tiny::Role.
 - Add SYNOPSIS for Type::Tiny::Union.
 - Add documentation and tests for the combination of the `goto_next` and
   `multiple` options when used with `signature_for`.
 - Add example of `signature_for` applying a signature to multiple
   functions at once.
 - Document changes to `make_immutable` in Type::Library v2.x.
   <https://github.com/tobyink/p5-type-tiny/issues/129>

 [ Other ]
 - Added: Type::Tiny now has an `exception_class` attribute, allowing a
   type to throw exceptions using a custom class. These classes should
   usually be a subclass of Error::TypeTiny::Assertion.
   <https://github.com/tobyink/p5-type-tiny/issues/133>
 - Added: Type::Tiny::Bitfield class.
   <https://github.com/tobyink/p5-type-tiny/issues/131>
 - Added: Types::TypeTiny::BoolLike type constraint.
   <https://github.com/tobyink/p5-type-tiny/issues/137>