modernize and dependency updates #107

[vegu]

fixes #107

[codecov]

Codecov Report

❌ Patch coverage is 84.28571% with 11 lines in your changes missing coverage. Please review.
✅ Project coverage is 84.54%. Comparing base (33a51aa) to head (197eb5f).
⚠️ Report is 4 commits behind head on main.

Files with missing lines	Patch %	Lines
src/django_peeringdb/admin/views.py	0.00%	9 Missing ⚠️
src/django_peeringdb/client_adaptor/load.py	75.00%	2 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #170      +/-   ##
==========================================
+ Coverage   82.34%   84.54%   +2.20%     
==========================================
  Files          53       54       +1     
  Lines         974      990      +16     
==========================================
+ Hits          802      837      +35     
+ Misses        172      153      -19     

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