fix: update UPS delivering subject

[firstof9]

Proposed change

Update subject for UPS delivering emails

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: New variant of UPS pending delivery subject line #592

[codecov-commenter]

Codecov Report

Merging #593 (d2a4068) into dev (deec8a0) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##              dev     #593   +/-   ##
=======================================
  Coverage   98.56%   98.56%           
=======================================
  Files           6        6           
  Lines        1323     1323           
=======================================
  Hits         1304     1304           
  Misses         19       19           

Impacted Files	Coverage Δ
custom_components/mail_and_packages/const.py	100.00% <ø> (ø)