Update example project to using Django>=3.2 (LTS)

[kalzun]

Fixes issue #175

[codecov[bot]]

Codecov Report

Merging #186 (8267dab) into master (9669c86) will not change coverage. The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #186   +/-   ##
=======================================
  Coverage   98.84%   98.84%           
=======================================
  Files          14       14           
  Lines         607      607           
  Branches       65       65           
=======================================
  Hits          600      600           
  Misses          4        4           
  Partials        3        3           

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[aleksihakli]

Tests are failing for some reason, can not merge the PR before they all pass due to project configuration.

[aleksihakli]

Tests seem to run properly now, thank you for the fix @kalzun.

[aleksihakli]

Released in 1.4.7 @kalzun