fix: filter out junk mail images

[firstof9]

Proposed change

Filter out junk mail images.

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: n/a

[codecov-commenter]

Codecov Report

Merging #742 (0a91fdc) into dev (9f1db97) will decrease coverage by 0.14%.
The diff coverage is 100.00%.

Additional details and impacted files

@@            Coverage Diff             @@
##              dev     #742      +/-   ##
==========================================
- Coverage   97.43%   97.29%   -0.15%     
==========================================
  Files           6        6              
  Lines        1288     1295       +7     
==========================================
+ Hits         1255     1260       +5     
- Misses         33       35       +2     

Impacted Files	Coverage Δ
custom_components/mail_and_packages/helpers.py	96.62% <100.00%> (-0.23%)	⬇️