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

Bump WP compatibility

See merge request !2
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Status Job ID Name Coverage
  Test
failed #6054
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PHPunit:PHP7.3:MySQL

00:01:08

 
  Deploy
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PluginSVN

00:00:18

 
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failed
PHPunit:PHP7.3:MySQL Test
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