Use the modern name of trans/blocktrans tags

[claudep]

[codecov[bot]]

Codecov Report

Merging #216 (cb7434c) into master (604a8ec) will not change coverage. The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #216   +/-   ##
=======================================
  Coverage   93.83%   93.83%           
=======================================
  Files          11       11           
  Lines         535      535           
  Branches       68       68           
=======================================
  Hits          502      502           
  Misses         21       21           
  Partials       12       12           

:mega: We’re building smart automated test selection to slash your CI/CD build times. Learn more

[claudep]

This will be for the time we drop Django 2.2 support.