Bump WP compatibility

enabled an automatic merge when the pipeline for 4be1eb87 succeeds

aborted the automatic merge because source branch was updated

added 1 commit

• 23e9870f - Fix PHPUnit version

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enabled an automatic merge when the pipeline for 23e9870f succeeds

aborted the automatic merge because source branch was updated

added 1 commit

• 3669d4c2 - More Composer fun

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enabled an automatic merge when the pipeline for 3669d4c2 succeeds

merged

mentioned in commit b1db7317