chore(deps): update dependency resolvelib to v1.2.1

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
resolvelib	==1.0.1 → ==1.2.1

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Release Notes

sarugaku/resolvelib (resolvelib)

v1.2.1

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Bug Fixes

• Add extra guard to prevent the states from being exhausted during backjumping. #&#8203;195 <https://github.com/sarugaku/resolvelib/issues/195>_
• Change Mapping to dict in resolution Result type annotations. #&#8203;193 <https://github.com/sarugaku/resolvelib/issues/193>_

v1.2.0

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Significant Changes

• Drop support for EOL Python versions 3.7 and 3.8. #&#8203;187 <https://github.com/sarugaku/resolvelib/issues/187>_

Features

• Perform optimistic backjumping until reaching a cutoff and then
  fallback to regular backjumping. #&#8203;188 <https://github.com/sarugaku/resolvelib/issues/188>_

Bug Fixes

• Include tests in sdist. #&#8203;173 <https://github.com/sarugaku/resolvelib/issues/173>_

• Drop wheel from direct build dependencies. #&#8203;175 <https://github.com/sarugaku/resolvelib/issues/175>_

• Display PyPI URL on GH UI when releasing from GHA. #&#8203;177 <https://github.com/sarugaku/resolvelib/issues/177>_

• Configure setuptools to produce py3-tagged wheels. #&#8203;178 <https://github.com/sarugaku/resolvelib/issues/178>_

• Fix PyPI project page link on README.rst. #&#8203;181 <https://github.com/sarugaku/resolvelib/issues/181>_

v1.1.0

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No significant changes.

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