Reflect that the RCSB now supports BCIF download of extended PDB IDs

[padix-key]

https://models.rcsb.org/ now also supports download of extended PDB IDs. Hence, the xfails are lifted from the tests.

[codspeed-hq]

Merging this PR will improve performance by 10.08%

⚠️ Different runtime environments detected

Some benchmarks with significant performance changes were compared across different runtime environments,
which may affect the accuracy of the results.

Open the report in CodSpeed to investigate

⚡ 1 improved benchmark
✅ 102 untouched benchmarks
⏩ 14 skipped benchmarks¹

Performance Changes

	Benchmark	BASE	HEAD	Efficiency
⚡	benchmark_match_kmer_selection[BucketKmerTable(10000)-None]	353.3 µs	320.9 µs	+10.08%

Tip

Curious why this is faster? Comment @codspeedbot explain why this is faster on this PR, or directly use the CodSpeed MCP with your agent.

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_{Comparing padix-key:bcif-12letter (ffdd0e4) with main (1fa1b70)}

Footnotes

1. 14 benchmarks were skipped, so the baseline results were used instead. If they were deleted from the codebase, click here and archive them to remove them from the performance reports. ↩