Remove wrong overrides from .phpstorm.meta.php

Overrides for getRepository are invalid – it overrides returned type from `@returns Collection<T>` to returning the entity directly `@returns T`

See DEVSENSE/phptools-docs#620

Composer: allow codesniffer

QA: phpstan, codesniffer, tests, github actions

Drop github funding

Composer: minimal version of phpstan

Composer: update deps

Tests: test also passing references

Bump: v0.7

Release v0.3.1

Stop using deprecated Doctrine\Common\Persistence\...