Update to 3.10 minimum and use 3.12 for benchmarks

[emlowe]

Update to python 3.10 when building (including abi3)
User python 3.12 for benchmarks

Also update to using ghcr images instead of quay.io

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Note

Medium Risk
Medium risk because it changes the Python ABI baseline (abi3-py310) and updates the Docker build images/tooling, which can affect wheel compatibility and CI/release reliability across platforms.

Overview
Raises the project’s Python baseline to 3.10 by switching the pyo3 abi3 target from abi3-py38 to abi3-py310 and updating CI job matrices to build/test wheels on Python 3.10.

Modernizes CI build environments by running benchmarks/cost checks on Python 3.12, swapping manylinux Docker images from quay.io/pypa/* to ghcr.io/chia-network/build-images/*, and pinning maturin to 1.12.2 for wheel builds.

Tweaks wheel-build steps to rely on the image-provided Rust/Python (simplified venv/path handling), adjusts OpenSSL install flags in manylinux builds, and replaces a post-build twine install step with setuptools_rust.

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[coveralls-official]

Pull Request Test Coverage Report for Build 22591971873

Details

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 88.131%

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Totals
Change from base Build 22591883274:	0.0%
Covered Lines:	6831
Relevant Lines:	7751

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💛 - Coveralls

[github-actions]

'This PR has been flagged as stale due to no activity for over 60
days. It will not be automatically closed, but it has been given
a stale-pr label and should be manually reviewed.'

[cursor]

Cursor Bugbot has reviewed your changes and found 2 potential issues.

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