Upgrade pyo3 api usage #1231

Job	Run time
build-macos-app	12s
test (windows-latest, 1.80, --exclude mitmproxy-linux-ebpf)	29s
build mitmproxy-rs (windows-x86_64)	1m 6s
test (macos-latest, 1.80, --exclude mitmproxy-linux-ebpf)	29s
build mitmproxy-rs (linux-x86_64)	1m 21s
build mitmproxy-rs (linux-arm64)	1m 14s
test (ubuntu-22.04, 1.80, --exclude mitmproxy-linux-ebpf)	35s
build mitmproxy-linux-x86_64	1m 7s
build mitmproxy-rs (macos-universal)	46s
test (ubuntu-latest, stable, --exclude mitmproxy-linux-ebpf)	35s
build mitmproxy-linux-arm64	2m 7s
test (ubuntu-latest, nightly, --package mitmproxy-linux-ebpf)	34s
build mitmproxy-windows	1m 42s
build mitmproxy-macos	33s
test-linux-wheel-sdist	2m 2s
check / check	1s
deploy	0s
	14m 53s

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