feat: update to latest Lux and LuxCore releases

[avik-pal]

fixes #31

TODOs

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

[codecov[bot]]

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 :warning:
src/layers/embeddings.jl	81.81%	4 Missing :warning:
ext/BoltzMetalheadExt.jl	91.30%	2 Missing :warning:
src/layers/mlp.jl	66.66%	2 Missing :warning:

Additional details and impacted files

```diff @@ 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 ```

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