feat: Add AutoNAT behavior #1956

Job	Run time
changes	7s
run-cargo-tests	7m 21s
run-deny	2m 6s
run-checks (ubuntu-latest, stable)	3m 11s
build-and-run-examples	0s
run-checks (ubuntu-latest, nightly)	3m 54s
run-docs	5m 14s
run-checks (ubuntu-latest, 1.75.0)	3m 5s
run-tests (ubuntu-latest, stable, all)	10m 8s
run-checks (macos-14, stable)	2m 50s
run-tests-windows (stable, all)	16m 8s
run-checks (macos-14, nightly)	3m 9s
run-tests (ubuntu-latest, stable, none)	3m 59s
run-tests-windows (stable, none)	13m 11s
run-checks (macos-14, 1.75.0)	3m 2s
run-tests-windows (nightly, all)	11m 42s
run-tests (ubuntu-latest, nightly, all)	9m 41s
run-checks (windows-latest, stable)	7m 25s
run-tests-windows (nightly, none)	8m 40s
run-tests (ubuntu-latest, nightly, none)	6m 12s
run-checks (windows-latest, nightly)	8m 0s
run-checks (windows-latest, 1.75.0)	4m 47s
run-tests (macos-13, stable, all)	13m 22s
run-tests (macos-13, stable, none)	10m 2s
run-tests (macos-13, nightly, all)	15m 24s
run-tests (macos-13, nightly, none)	8m 58s
	3h 1m 38s

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