Bump @fjell/core to ^4.4.65 and refresh timing chart data

This patch release updates a core dependency and refreshes the performance chart data in the docs.

Dependencies

• Update @fjell/core to ^4.4.65 (was ^4.4.64) (commit 1b944c6)

Documentation Updates

• Refresh timing chart grid and series data in docs/timing-range.svg (commit dadf76c):
  • Update horizontal log-scale grid line y-positions (0.10–2.0µs) to 444.1390725, 365.4448149, 261.4166650, 182.7224075, 104.0281499
  • Replace data series paths: register-mean now starts at M 0 136.8247800; lookup-mean at M 0 381.3057425
  • Update all corresponding register-dot and lookup-dot circle coordinates to match the new paths

Versioning

• Set package version to 4.4.71 (commit 2dc5b9f)