build(deps): update cloudpickle requirement from >=3.0.0 to >=3.1.2

[dependabot]

Updates the requirements on cloudpickle to permit the latest version.

Changelog

Sourced from cloudpickle's changelog.

3.1.2

• Fix pickling of abstract base classes containing type annotations for Python 3.14. (PR#578)

3.1.1

• Various fixes to support for Python 3.14 ([PR #545]( cloudpipe/cloudpickle#545)).

3.1.0

• Some improvements to make cloudpickle more deterministic when pickling dynamic functions and classes, in particular with CPython 3.13. ([PR #524](cloudpipe/cloudpickle#524) and [PR #534](cloudpipe/cloudpickle#534))

• Fix a problem with the joint usage of cloudpickle's _whichmodule and multiprocessing. ([PR #529](cloudpipe/cloudpickle#529))

3.0.0

• Officially support Python 3.12 and drop support for Python 3.6 and 3.7. Dropping support for older Python versions made it possible to simplify the code base significantly, hopefully making it easier to contribute to and maintain the project. ([PR #517](cloudpipe/cloudpickle#517))

• Fix pickling of dataclasses and their instances. ([issue #386](cloudpipe/cloudpickle#386), [PR #513](cloudpipe/cloudpickle#513))

• Any color you like as long as it's black. ([PR #521](cloudpipe/cloudpickle#521))

• Drop setup.py and setuptools in favor of pyproject.toml and flit. ([PR #521](cloudpipe/cloudpickle#521))

2.2.1

• Fix pickling of NamedTuple in Python 3.9+. ([issue #460](cloudpipe/cloudpickle#460))

2.2.0

... (truncated)

Commits

• 7576fff Fix wrong branch name in publish-to-testpypi config file
• 8492f24 Release v3.1.2 with Python 3.14 type annotation fix (#579)
• 05c18b9 Small improvement in changelog entry.
• 6ff1cc2 FIX remove annotate_func that return dict within a closure Python 3.1...
• e8bbede MNT enable 3.14 recursion test+simplify recursion detection (#573)
• f90f78a Fix #567: Fix test_locally_defined_class_with_type_hints() (#570)
• c025de7 MTN skip test with recursion limit on python3.14 due to segfault on OSX (#561)
• 7ba9e61 skip workflow on forks (#559)
• 8b82151 MAINT Set version back to 3.2.0.dev0 (#554)
• ff54d93 MAINT prepare bugfix release 3.1.1 (#553)
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