Alias "jpg" to "jpeg"

[benchislett]

🚀 🚀 Pull Request

Checklist:

• My code follows the style guidelines of this project and the Contributing document
• I have commented my code, particularly in hard-to-understand areas
• I have kept the coverage-rate up
• I have performed a self-review of my own code and resolved any problems
• I have checked to ensure there aren't any other open Pull Requests for the same change
• I have described and made corresponding changes to the relevant documentation
• New and existing unit tests pass locally with my changes

Changes

Adds "jpg" to the supported compressions, but it is always stored internally as "jpeg". Modifies the compression test to cover both cases

[verbose-void]

minor change

[codecov]

Codecov Report

Merging #1073 (101e168) into main (86d0eb8) will increase coverage by 0.02%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##             main    #1073      +/-   ##
==========================================
+ Coverage   89.95%   89.97%   +0.02%     
==========================================
  Files          97       97              
  Lines        4498     4507       +9     
==========================================
+ Hits         4046     4055       +9     
  Misses        452      452              

Impacted Files	Coverage Δ
hub/api/tests/test_api_with_compression.py	100.00% <100.00%> (ø)
hub/constants.py	100.00% <100.00%> (ø)
hub/core/meta/tensor_meta.py	86.44% <100.00%> (+0.35%)	⬆️

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[verbose-void]

reluctant approval