feature(framework): diffusers

[larme]

What does this PR address?

Fixes #(issue)

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  guide on how to create a pull request.
• Does the code follow BentoML's code style, both make format and make lint script have passed (instructions)?
• Did you read through contribution guidelines and follow development guidelines?
• Did your changes require updates to the documentation? Have you updated
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• Did you write tests to cover your changes?

[codecov]

Codecov Report

Merging #3534 (4867f93) into main (8d091c8) will not change coverage.
The diff coverage is 0.00%.

❗ Current head 4867f93 differs from pull request most recent head c66d7ee. Consider uploading reports for the commit c66d7ee to get more accurate results

@@          Coverage Diff           @@
##            main   #3534    +/-   ##
======================================
  Coverage   0.00%   0.00%            
======================================
  Files        137     139     +2     
  Lines      11237   11369   +132     
======================================
- Misses     11237   11369   +132     

Impacted Files	Coverage Δ
src/bentoml/__init__.py	0.00% <0.00%> (ø)
src/bentoml/_internal/frameworks/diffusers.py	0.00% <0.00%> (ø)
src/bentoml/diffusers.py	0.00% <0.00%> (ø)

[aarnphm]

Tested locally and everything seems good to me.