feat(linfa-tsne): update to bhtsne 0.5.4

[AnthonyMichaelTDM]

the bhtsne crate was fairly outdated, the newest version is parallelized and allows using a custom distance metric (hence the added dependency on linfa-nn). That said, this version does not let you set the RNG used to initialize sampling (hence the removal of rng related apis).

[codecov]

Codecov Report

❌ Patch coverage is 96.29630% with 1 line in your changes missing coverage. Please review.
✅ Project coverage is 76.76%. Comparing base (4484a55) to head (35172c6).
⚠️ Report is 1 commits behind head on master.

Files with missing lines	Patch %	Lines
algorithms/linfa-tsne/src/lib.rs	95.23%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #429      +/-   ##
==========================================
- Coverage   77.00%   76.76%   -0.24%     
==========================================
  Files         106      105       -1     
  Lines        7461     7359     -102     
==========================================
- Hits         5745     5649      -96     
+ Misses       1716     1710       -6     

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[relf]

Thanks for the update.