feat: Add AutoNAT behavior #1951

Job	Run time
changes	4s
run-deny	2m 5s
run-tests (ubuntu-latest, stable, all)	5m 1s
run-tests-windows (stable, all)	4m 46s
run-tests (ubuntu-latest, stable, none)	5m 5s
run-cargo-tests	5m 4s
run-tests-windows (stable, none)	4m 47s
run-tests (ubuntu-latest, nightly, all)	5m 6s
run-checks (ubuntu-latest, stable)	2m 22s
run-tests-windows (nightly, all)	4m 48s
run-tests (ubuntu-latest, nightly, none)	5m 4s
run-docs	4m 38s
run-checks (ubuntu-latest, nightly)	3m 38s
run-tests-windows (nightly, none)	4m 47s
run-tests (macos-13, stable, all)	5m 6s
run-checks (ubuntu-latest, 1.75.0)	1m 40s
run-tests (macos-13, stable, none)	5m 6s
run-checks (macos-14, stable)	4m 20s
build-and-run-examples	0s
run-tests (macos-13, nightly, all)	5m 7s
run-checks (macos-14, nightly)	1s
run-tests (macos-13, nightly, none)	5m 4s
run-checks (macos-14, 1.75.0)	3s
run-checks (windows-latest, stable)	2m 36s
run-checks (windows-latest, nightly)	2m 59s
run-checks (windows-latest, 1.75.0)	4m 45s
	1h 34m 2s

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