pipenv: update to 2024.4.0

[dgilman]

Description

I'm updating the dependencies because those are the four packages that are specified as build-time dependencies in the wheel (see https://github.com/pypa/pipenv/blob/main/pyproject.toml#L32 ).

Type(s)

• bugfix
• enhancement
• security fix

Tested on

macOS 14.6.1 23G93 x86_64
Xcode 16.1 16B40

Verification

Have you

• followed our Commit Message Guidelines?
• squashed and minimized your commits?
• checked that there aren't other open pull requests for the same change?
• referenced existing tickets on Trac with full URL in commit message?
• checked your Portfile with port lint?
• tried existing tests with sudo port test?
• tried a full install with sudo port -vst install?
• tested basic functionality of all binary files?
• checked that the Portfile's most important variants haven't been broken?

[macportsbot]

Notifying maintainers:
@danchr for port pipenv.