Bump pyo3 #615

Job	Run time
documentation	1m 14s
clippy	1m 2s
rustfmt	15s
test (msrv, ubuntu-20.04, 1.77.0)	1m 7s
test (stable, ubuntu-20.04, stable)	1m 12s
benchmarks	2m 20s
test (beta, ubuntu-20.04, beta)	1m 0s
Miri	2m 24s
Optional features (approx selected)	31s
test (nightly, ubuntu-20.04, nightly)	57s
Optional features (none selected)	32s
test (macos, macos-latest, stable)	47s
test (win-msvc, windows-2019, stable)	3m 14s
static SuiteSparse (stable, ubuntu-20.04, stable)	41s
static SuiteSparse (macos, macos-latest, stable)	52s
test (win-gnu, windows-2019, stable)	2m 27s
static SuiteSparse (win-msvc, windows-2019, stable)	1m 19s
static SuiteSparse (win-gnu, windows-2019, stable)	1m 26s
	23m 20s

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