feat: 1930 unknown geojson element

[qcdyx]

Summary:

Closes #1930

Expected behavior:
unknown element at FeatureCollection level:

unknown element at feature level:

unknown element at geometry level:

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• Run the unit tests with gradle test to make sure you didn't break anything
• Add or update any needed documentation to the repo
• Format the title like "feat: [new feature short description]". Title must follow the Conventional Commit Specification(https://www.conventionalcommits.org/en/v1.0.0/).
• Linked all relevant issues
• Include screenshot(s) showing how this pull request works and fixes the issue(s)

[github-actions]

📝 Acceptance Test Report

📋 Summary

✅ The rule acceptance has passed for commit c3c3a0b
Download the full acceptance test report here (report will disappear after 90 days).

📊 Notices Comparison

New Errors (0 out of 1809 datasets, ~0%) ✅

No changes were detected due to the code change.

Dropped Errors (0 out of 1809 datasets, ~0%) ✅

No changes were detected due to the code change.

New Warnings (0 out of 1809 datasets, ~0%) ✅

No changes were detected due to the code change.

Dropped Warnings (0 out of 1809 datasets, ~0%) ✅

No changes were detected due to the code change.

🛡️ Corruption Check

0 out of 1809 sources (~0 %) are corrupted.

⏱️ Performance Assessment

📈 Validation Time

Assess the performance in terms of seconds taken for the validation process.

Time Metric	Dataset ID	Reference (s)	Latest (s)	Difference (s)
Average	--	3.65	3.72	⬆️+0.07
Median	--	1.32	1.38	⬆️+0.06
Standard Deviation	--	10.42	10.40	⬇️-0.01
Minimum in References Reports	tr-kocaeli-metro-izmir-gtfs-1824	0.47	0.51	⬆️+0.04
Maximum in Reference Reports	gb-unknown-uk-aggregate-feed-gtfs-2014	283.23	280.03	⬇️-3.19
Minimum in Latest Reports	ar-buenos-aires-subterraneos-de-buenos-aires-subte-gtfs-6	0.52	0.51	⬇️-0.01
Maximum in Latest Reports	gb-unknown-uk-aggregate-feed-gtfs-2014	283.23	280.03	⬇️-3.19

📜 Memory Consumption

Metric	Dataset ID	Reference (s)	Latest (s)	Difference (s)
Average	--	467.20 MiB	467.29 MiB	⬆️+85.91 KiB
Median	--	331.92 MiB	335.92 MiB	⬆️+4.00 MiB
Standard Deviation	--	767.04 MiB	769.47 MiB	⬆️+2.43 MiB
Minimum in References Reports	mexico-jalisco-direccion-general-de-transporte-publico-de-puerto-vallarta-gtfs-2034	36.48 MiB	415.92 MiB	⬆️+379.44 MiB
Maximum in Reference Reports	gb-unknown-uk-aggregate-feed-gtfs-2014	10.85 GiB	10.62 GiB	⬇️-235.95 MiB
Minimum in Latest Reports	ro-vrancea-consiliul-judetean-vrancea-gtfs-1984	69.31 MiB	38.28 MiB	⬇️-31.02 MiB
Maximum in Latest Reports	gb-unknown-uk-aggregate-feed-gtfs-2014	10.85 GiB	10.62 GiB	⬇️-235.95 MiB