feat: Add AutoNAT behavior #1949

Job	Run time
changes	3s
run-cargo-tests	7m 51s
run-deny	2m 0s
run-checks (ubuntu-latest, stable)	3m 39s
build-and-run-examples	0s
run-checks (ubuntu-latest, nightly)	4m 7s
run-checks (ubuntu-latest, 1.75.0)	3m 21s
run-docs	4m 52s
run-tests-windows (stable, all)	17m 45s
run-tests (ubuntu-latest, stable, all)	9m 18s
run-checks (macos-14, stable)	3m 8s
run-tests-windows (stable, none)	13m 52s
run-tests (ubuntu-latest, stable, none)	5m 53s
run-checks (macos-14, nightly)	4m 10s
run-tests-windows (nightly, all)	11m 23s
run-tests (ubuntu-latest, nightly, all)	13m 6s
run-tests-windows (nightly, none)	9m 25s
run-checks (macos-14, 1.75.0)	3m 52s
run-checks (windows-latest, stable)	9m 40s
run-tests (ubuntu-latest, nightly, none)	5m 42s
run-checks (windows-latest, nightly)	8m 10s
run-tests (macos-13, stable, all)	11m 57s
run-checks (windows-latest, 1.75.0)	4m 44s
run-tests (macos-13, stable, none)	11m 8s
run-tests (macos-13, nightly, all)	11m 8s
run-tests (macos-13, nightly, none)	9m 53s
	3h 10m 7s

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