Bump cloudpickle from 2.2.1 to 3.0.0 in /.github/dependabot

[dependabot[bot]]

Bumps cloudpickle from 2.2.1 to 3.0.0.

Release notes

Sourced from cloudpickle's releases.

3.0.0

Drop support for Python 3.6 and 3.7, add official support for Python 3.12.

A large code base reorganization and simplification was possible after dropping support for older Python versions.

See the changelog for more details:

• https://github.com/cloudpipe/cloudpickle/blob/v3.0.0/CHANGES.md#300

Changelog

Sourced from cloudpickle's changelog.

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 signficantly, hopefully making it easier to contribute to and maintain the project. ([PR #515](cloudpipe/cloudpickle#515))

• 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))

Commits

• 227f246 Ignore the Black commit in git blame output
• 21f1445 Prepare the 3.0.0 release
• 6ab381f Update changelog
• 22bf764 Modern linting and packaging tooling and config
• 90d6658 Black
• c6f8cd4 Official support for python 3.12 and code clean-up after EOLed Python 3.6 and...
• 45dcb75 Fix downstream CI (#519)
• 604122c Fix distributed downstream tests (#518)
• ab32ba5 handle dataclass field type sentinels (#513)
• 0f330b6 Fix IndexError: tuple index out of range (#511)
• Additional commits viewable in compare view

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