feat: update to latest Lux and LuxCore releases

[avik-pal]

fixes #31

TODOs

• Pretrained Weights. These need to be fixed
  • AlexNet
  • VGG
• Upload weights to HuggingFace
• Load more of the Flux weights
  • ResNet
  • WideResNet
  • SqueezeNet
  • ResNext
• Special RNG Handling
• Add an imagenet dummy test

[codecov]

Codecov Report

Attention: Patch coverage is 88.00000% with 12 lines in your changes missing coverage. Please review.

Project coverage is 88.88%. Comparing base (47c5460) to head (d67d60f).
Report is 21 commits behind head on main.

Files with missing lines	Patch %	Lines
src/initialize.jl	55.55%	4 Missing ⚠️
src/layers/embeddings.jl	81.81%	4 Missing ⚠️
ext/BoltzMetalheadExt.jl	91.30%	2 Missing ⚠️
src/layers/mlp.jl	66.66%	2 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #57      +/-   ##
==========================================
- Coverage   89.01%   88.88%   -0.13%     
==========================================
  Files          24       24              
  Lines         437      432       -5     
==========================================
- Hits          389      384       -5     
  Misses         48       48              

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.