Bump datetime from 4.3 to 5.4

[dependabot]

Bumps datetime from 4.3 to 5.4.

Changelog

Sourced from datetime's changelog.

5.4 (2023-12-15)

• Fix UnknownTimeZoneError when unpickling DateTime.DateTime().asdatetime(). ([#58](https://github.com/zopefoundation/DateTime/issues/58) <https://github.com/zopefoundation/DateTime/issues/58>_)

• Repair equality comparison between DateTime instances and other types. ([#60](https://github.com/zopefoundation/DateTime/issues/60) <https://github.com/zopefoundation/DateTime/issues/60>_)

5.3 (2023-11-14)

• Add support for Python 3.12.

• Add preliminary support for Python 3.13a2.

5.2 (2023-07-19)

• Cast int to float in compare methods.
• Fix compare methods between DateTime instances and None. ([#52](https://github.com/zopefoundation/DateTime/issues/52) <https://github.com/zopefoundation/DateTime/issues/52>_)

5.1 (2023-03-14)

• Add missing python_requires to setup.py.

5.0 (2023-01-12)

• Drop support for Python 2.7, 3.5, 3.6.

4.8 (2022-12-16)

• Fix insidious buildout configuration bug that prevented tests on Python 2.7 and 3.5, and fix test code that was incompatible with Python 3.5. ([#44](https://github.com/zopefoundation/DateTime/issues/44) <https://github.com/zopefoundation/DateTime/issues/44>_)

• Add support for Python 3.11.

4.7 (2022-09-14)

... (truncated)

Commits

• a58c4d5 Preparing release 5.4
• 94fa55f Repair equality comparison between DateTime instances and other types
• 955f3b9 Make it possible to pickle datetimes returned by asdatetime
• 3104882 Back to development: 5.4
• 6e2681a Preparing release 5.3
• 28124d7 Add support for Python 3.12. (#57)
• 5a434fd Fix hopefully temporary problem with Python 3.12 on Windows.
• c22954a Merge pull request #55 from zopefoundation/config-with-zope-product-template-...
• 009cd8b - Add preliminary support for Python 3.12b4
• 1442a44 - documentation and docstring cleanups
• Additional commits viewable in compare view

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[dependabot]

Superseded by #30.