RFC: Implement Multi-Phase Module Initialization as per PEP 489 #10522

Job	Run time
fmt	12s
resolve	7s
python${{ matrix.python-version }}-${{ matrix.platform.python-architecture }} ${{ matrix.platform.os }} rust-${{ matrix.rust }}	0s
check-feature-powerset ${{ matrix.rust }}	0s
careful	0s
check-msrv	8m 15s
coverage windows-latest	7s
docsrs	0s
coverage macos-14	8s
emscripten	0s
coverage ubuntu-latest	1m 17s
semver-checks	2m 43s
clippy/aarch64-apple-darwin/stable	6m 53s
test-cross-compilation ${{ matrix.os }} -> ${{ matrix.target }}	0s
test-cross-compilation-windows	0s
clippy/x86_64-unknown-linux-gnu/stable	7m 8s
test-debug	0s
clippy/powerpc64le-unknown-linux-gnu/stable	7m 14s
clippy/s390x-unknown-linux-gnu/stable	7m 14s
test-version-limits	0s
clippy/wasm32-wasi/stable	7m 8s
valgrind	0s
clippy/x86_64-pc-windows-msvc/stable	6m 57s
clippy/i686-pc-windows-msvc/stable	6m 55s
clippy/x86_64-unknown-linux-gnu/beta	7m 10s
python3.12-x64 macos-13 rust-stable / build	1m 2s
python3.12-arm64 macos-14 rust-stable / build	55s
python3.12-x64 ubuntu-latest rust-nightly / build	54s
python3.12-x64 ubuntu-latest rust-stable / build	52s
python3.12-x86 windows-latest rust-stable / build	53s
python3.12-x64 windows-latest rust-stable / build	43s
conclusion	1s
	1h 14m 48s

Provide feedback