Merge branch 'bump-wp-compat' into 'master'

Bump WP compatibility

See merge request !2
2 jobs for master in 1 minute and 26 seconds (queued for 2 seconds)
Status Name Job ID Coverage
  Test
failed PHPunit:PHP7.3:MySQL #6054
allowed to fail

00:01:08

 
  Deploy
passed PluginSVN #6055

00:00:18

 
Name Stage Failure
failed
PHPunit:PHP7.3:MySQL Test
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