Release 5.0

[marksweb]

This bumps the version to 5.0 and sneaks in django-cms 3.10 testing

[codecov-commenter]

Codecov Report

Merging #598 (6fb7034) into master (38eb902) will not change coverage.
The diff coverage is 100.00%.

@@           Coverage Diff           @@
##           master     #598   +/-   ##
=======================================
  Coverage   73.25%   73.25%           
=======================================
  Files          19       19           
  Lines         830      830           
  Branches      114      114           
=======================================
  Hits          608      608           
  Misses        198      198           
  Partials       24       24           

Impacted Files	Coverage Δ
djangocms_text_ckeditor/__init__.py	100.00% <100.00%> (ø)

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[vinitkumar]

Looks good to me. Let's get this merged and released 🚢 🚀