Add secp256k1 and secp256r1 types #606

Job	Run time
Check chia_rs.pyi	9s
sdist - Ubuntu 3.9 Intel	48s
clippy	2m 37s
Unit tests (macos-latest)	2m 41s
Unit tests (ubuntu-latest)	2m 38s
Wheel - macOS 3.9 ARM	2m 28s
Unit tests (windows-latest)	2m 22s
Wheel - macOS 3.9 Intel	2m 41s
Wheel - macOS 3.10 ARM	2m 31s
Wheel - macOS 3.10 Intel	2m 38s
cargo fmt	37s
Wheel - macOS 3.11 ARM	2m 28s
Wheel - macOS 3.11 Intel	2m 35s
Wheel - macOS 3.12 ARM	2m 46s
Wheel - macOS 3.12 Intel	2m 45s
Wheel - Ubuntu 3.9 ARM	2m 41s
Wheel - Ubuntu 3.9 Intel	2m 44s
Wheel - Ubuntu 3.10 ARM	2m 48s
Wheel - Ubuntu 3.10 Intel	2m 36s
Wheel - Ubuntu 3.11 ARM	2m 47s
Wheel - Ubuntu 3.11 Intel	2m 36s
Wheel - Ubuntu 3.12 ARM	2m 46s
Wheel - Ubuntu 3.12 Intel	2m 36s
Wheel - Windows 3.9 Intel	2m 19s
Wheel - Windows 3.10 Intel	2m 21s
Wheel - Windows 3.11 Intel	2m 42s
Wheel - Windows 3.12 Intel	2m 22s
Upload to PyPI - ${{ matrix.os.name }} ${{ matrix.python.major-dot-minor }} ${{ matrix.arch.name }}	1s
	1h 4m 3s

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