Implement `From<Bound<'py, T>>` for PyErr #8745

Job	Run time
fmt	14s
semver-checks	24s
check-msrv	9m 0s
careful	0s
clippy/x86_64-apple-darwin/stable	12m 40s
coverage-windows	3s
clippy/x86_64-unknown-linux-gnu/stable	10m 11s
docsrs	0s
coverage-macos	6s
clippy/powerpc64le-unknown-linux-gnu/stable	9m 40s
coverage-ubuntu	11m 17s
clippy/s390x-unknown-linux-gnu/stable	9m 26s
valgrind	0s
clippy/wasm32-wasi/stable	9m 6s
clippy/x86_64-pc-windows-msvc/stable	14m 29s
python${{ matrix.python-version }}-${{ matrix.platform.python-architecture }} ${{ matrix.platform.os }} rust-${{ matrix.rust }}	0s
clippy/i686-pc-windows-msvc/stable	13m 7s
emscripten	0s
clippy/x86_64-unknown-linux-gnu/beta	10m 4s
test-debug	8m 32s
check-feature-powerset	0s
test-version-limits	0s
python3.12-x64 ubuntu-latest rust-stable / build	6m 53s
python3.12-x64 windows-latest rust-stable / build	11m 36s
python3.12-x86 windows-latest rust-stable / build	10m 50s
python3.12-x64 macos-latest rust-stable / build	15m 38s
python3.12-x64 ubuntu-latest rust-nightly / build	7m 10s
conclusion	1s
	2h 50m 27s

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