Upgrade pyo3 api usage #1235

Job	Run time
test (windows-latest, 1.80, --exclude mitmproxy-linux-ebpf)	2m 12s
build mitmproxy-rs (windows-x86_64)	2m 16s
build mitmproxy-rs (linux-x86_64)	2m 30s
test (macos-latest, 1.80, --exclude mitmproxy-linux-ebpf)	53s
build mitmproxy-rs (linux-arm64)	1m 36s
test (ubuntu-22.04, 1.80, --exclude mitmproxy-linux-ebpf)	1m 28s
build mitmproxy-rs (macos-universal)	2m 26s
test (ubuntu-latest, stable, --exclude mitmproxy-linux-ebpf)	1m 4s
test (ubuntu-latest, nightly, --package mitmproxy-linux-ebpf)	28s
build-macos-app	11s
build mitmproxy-windows	2m 13s
build mitmproxy-linux-x86_64	1m 9s
build mitmproxy-linux-arm64	2m 15s
build mitmproxy-macos	31s
test-linux-wheel-sdist	1s
check / check	4s
deploy	1s
	21m 18s

Provide feedback