chore(release): prepare for v2.12.0

[guacs]

Pull Request Checklist

• [ ] New code has 100% test coverage
• [ ] (If applicable) The prose documentation has been updated to reflect the changes introduced by this PR
• [ ] (If applicable) The reference documentation has been updated to reflect the changes introduced by this PR
• [x] Pre-Commit Checks were ran and passed
• [x] Tests were ran and passed

Description

• update the dependencies
• update the version

[sonarcloud[bot]]

Kudos, SonarCloud Quality Gate passed!   

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[github-actions[bot]]

Documentation preview will be available shortly at https://litestar-org.github.io/polyfactory-docs-preview/437