* feat: generate random user handles with random-name-generator
* feat: use random-name-combiner for user handles
* feat: use random-name-generator Combination for user handles
* chore: update composer.lock for random-name-generator Combination
* feat: use Platoniq package
* feat: centralise user handle validation in UserHandle constraint
* feat: use platoniq/random-name-generator v1.0
* feat: increase uniqueness test size to 128 samples
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Co-authored-by: Daniel Subiabre <daniel.subiabre@platoniq.net>