Make sets iterable in eldritch-core

[google-labs-jules]

Sets are now iterable in eldritch-core.
Iteration over sets is sorted/ordered.
Added a test case to verify set iteration.

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PR created automatically by Jules for task 3303524271954248170 started by @KCarretto

[google-labs-jules]

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[github-actions]

Summary

Tests 📝	Passed ✅	Failed ❌	Skipped ⏭️	Other ❓	Flaky 🍂	Duration ⏱️
3029    ±0	3029    ±0	0    ±0	0    ±0	0    ±0	0    ±0	1ms    ±0

Previous Results

Build 🏗️	Result 🧪	Tests 📝	Passed ✅	Failed ❌	Skipped ⏭️	Other ❓	Flaky 🍂	Duration ⏱️
#490	✅	3029	3029	0	0	0	0	29.4s

Insights

Average Tests per Run	Total Flaky Tests	Total Failed	Slowest Test (p95)
3029	0	0	8.0s

Slowest Tests

Test 📝	Results 📊	Duration (avg) ⏱️	Duration (p95) ⏱️
eldritch: pivot::port_scan_impl::tests::test_portscan_return_type_starlark_dict_from_interpreter	3	2.7s	8.0s
eldritch: pivot::port_scan_impl::tests::test_portscan_return_type_starlark_dict_from_interpreter	3	2.7s	8.0s
eldritch: pivot::port_scan_impl::tests::test_portscan_return_type_starlark_dict_from_interpreter	3	2.7s	8.0s
eldritch: pivot::port_scan_impl::tests::test_portscan_vec_to_int	3	2.6s	7.9s
eldritch: pivot::port_scan_impl::tests::test_portscan_vec_to_int	3	2.6s	7.9s
eldritch: pivot::port_scan_impl::tests::test_portscan_vec_to_int	3	2.6s	7.9s
eldritch: pivot::ssh_copy_impl::tests::test_pivot_ssh_copy	3	4.0s	7.9s
eldritch: pivot::ssh_copy_impl::tests::test_pivot_ssh_copy	3	4.0s	7.9s
eldritch: pivot::ssh_copy_impl::tests::test_pivot_ssh_copy	3	4.0s	7.9s
eldritch: pivot::port_scan_impl::tests::test_portscan_tcp	3	2.7s	7.9s

_{🎉 No failed tests in this run. | 🍂 No flaky tests in this run.}

Github Test Reporter by CTRF 💚

[nullmonk]

Tested and it works.

LGTM