feat(anthropic): auto append relevant beta headers for computer use

[mdrxy]

in addition to documenting it

https://platform.claude.com/docs/en/agents-and-tools/tool-use/computer-use-tool

[codspeed-hq]

CodSpeed Performance Report

Merging #34117 will not alter performance

_{Comparing mdrxy/anthropic-computer-use (2180734) with mdrxy/effort-anthropic (a6a08ad)}

Summary

✅ 3 untouched
⏩ 31 skipped¹

Footnotes

1. 31 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. ↩