chore(deps): update dependency django-countries to v8

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
django-countries (changelog)	==7.9.1 -> ==8.0.0

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Release Notes

SmileyChris/django-countries (django-countries)

v8.0.0

Compare Source

Features

• Added common names for six additional countries/territories: Democratic Republic of the Congo (CD), South Georgia (GS), Netherlands (NL), Palestine (PS), Saint Helena (SH), and Vatican City (VA). These provide friendlier, shorter names when COUNTRIES_COMMON_NAMES is enabled (default).

Bugfixes

• Updated country names to match ISO 3166-1 OBP: Bahamas (The) and Netherlands (Kingdom of the). Also improved self_generate() regex to handle type hints in dictionary declarations.

Improved Documentation

• Added documentation warning that CountryField does not support Django's autocomplete_fields in admin or third-party admin filter packages like more_admin_filters. (#​473)
• Added comprehensive documentation on ISO 3166-1 country name formatting, explaining parentheses vs commas usage, capitalization of "the", and addressing common political objections about territories like Taiwan, Kosovo, Hong Kong, and Palestine.

Deprecations and Removals

• Drop Python 3.7 support. Python 3.7 reached end-of-life in June 2023. The minimum supported Python version is now 3.8.

Misc

• Fix unnecessary list comprehension in test_tags.py

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 81.33%. Comparing base (9d8a30d) to head (89e8ffc).
⚠️ Report is 1 commits behind head on main.
✅ All tests successful. No failed tests found.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #3157   +/-   ##
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  Coverage   81.33%   81.33%           
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  Files          62       62           
  Lines        5766     5766           
  Branches      550      550           
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  Hits         4690     4690           
  Misses        903      903           
  Partials      173      173           

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