Update pipdeptree which solves issue 5652

[matteius]

Thank you for contributing to Pipenv!

The issue

Fixes #5652

The fix

Upgrades to the new release of pipdeptree

The checklist

• Associated issue
• A news fragment in the news/ directory to describe this fix with the extension .bugfix.rst, .feature.rst, .behavior.rst, .doc.rst. .vendor.rst. or .trivial.rst (this will appear in the release changelog). Use semantic line breaks and name the file after the issue number or the PR #.

[oz123]

@matteius tests are failing, and also we are using deprecated functionality:

ests/integration/test_cli.py:137: AssertionError
----------------------------- Captured stdout call -----------------------------
$ pipenv graph --reverse --json

Command failed...
----------------------------- Captured stderr call -----------------------------
Warning: Using both --reverse and --json together is not supported. Please select one of the two options.

[oz123]

Tests are failing.