fix: use PIL to resize images

[firstof9]

Proposed change

Fix image resizing no longer working.

Type of change

• Dependency upgrade
• Bugfix (non-breaking change which fixes an issue)
• New feature (which adds functionality)
• Breaking change (fix/feature causing existing functionality to break)
• Code quality improvements to existing code or addition of tests
• Documentation update
• Adds a new shipper
• Update existing shipper

Additional information

• This PR is related to issue: ISSUE: resize_images function not working #706

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Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 98.15%. Comparing base (04fa969) to head (f3416d9).
Report is 141 commits behind head on dev.

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Additional details and impacted files

@@            Coverage Diff             @@
##              dev     #707      +/-   ##
==========================================
- Coverage   98.15%   98.15%   -0.01%     
==========================================
  Files           8        8              
  Lines        1464     1463       -1     
==========================================
- Hits         1437     1436       -1     
  Misses         27       27              

Files with missing lines	Coverage Δ
custom_components/mail_and_packages/helpers.py	98.15% <100.00%> (-0.01%)	⬇️