Py-sr25519-bindings

What's Changed
* Updated to latest maturin and pyo3 by arjanz in https://github.com/polkascan/py-sr25519-bindings/pull/15
* Python 3.12 support by arjanz in https://github.com/polkascan/py-sr25519-bindings/pull/18
* Add python 3.12 support for musllinux by nakata5321 in https://github.com/polkascan/py-sr25519-bindings/pull/19
* bump pyO3 from 0.18.1 to 0.20.0 to support pypy runtime by alimaktabi in https://github.com/polkascan/py-sr25519-bindings/pull/20
* Updated Github action CI by arjanz in https://github.com/polkascan/py-sr25519-bindings/pull/21

New Contributors
* alimaktabi made their first contribution in https://github.com/polkascan/py-sr25519-bindings/pull/20

**Full Changelog**: https://github.com/polkascan/py-sr25519-bindings/compare/v0.2.0...v0.2.1

What's Changed
* Added secret key Ed25519 conversion functions by arjanz in https://github.com/polkascan/py-sr25519-bindings/pull/11
* Update pyo3 to 0.11.0 by StarGate01 in https://github.com/polkascan/py-sr25519-bindings/pull/10

New Contributors
* StarGate01 made their first contribution in https://github.com/polkascan/py-sr25519-bindings/pull/10

**Full Changelog**: https://github.com/polkascan/py-sr25519-bindings/compare/v0.1.5...v0.2.0

What's Changed
* wheels musllinux by nakata5321 in https://github.com/polkascan/py-sr25519-bindings/pull/8
* aarch64 wheels for manylinux by nakata5321 in https://github.com/polkascan/py-sr25519-bindings/pull/9

New Contributors
* nakata5321 made their first contribution in https://github.com/polkascan/py-sr25519-bindings/pull/8

**Full Changelog**: https://github.com/polkascan/py-sr25519-bindings/compare/v0.1.4...v0.1.5

Added Python 3.10 wheels

Bump PyO3 to 0.10.1 due to removed feature gate