Upgrade pyo3 api usage #1236

Job	Run time
build mitmproxy-rs (windows-x86_64)	54s
test (windows-latest, 1.80, --exclude mitmproxy-linux-ebpf)	32s
build mitmproxy-linux-x86_64	1m 10s
build mitmproxy-rs (linux-x86_64)	1m 7s
test (macos-latest, 1.80, --exclude mitmproxy-linux-ebpf)	35s
build-macos-app	10s
build mitmproxy-linux-arm64	2m 14s
build mitmproxy-rs (linux-arm64)	1m 7s
test (ubuntu-22.04, 1.80, --exclude mitmproxy-linux-ebpf)	38s
build mitmproxy-rs (macos-universal)	49s
build mitmproxy-windows	1m 35s
test (ubuntu-latest, stable, --exclude mitmproxy-linux-ebpf)	38s
test (ubuntu-latest, nightly, --package mitmproxy-linux-ebpf)	35s
build mitmproxy-macos	31s
test-linux-wheel-sdist	1m 50s
check / check	2s
deploy	1s
	14m 28s

Provide feedback