Config: remove phpstan ignoreErrors

Version: open v0.5.x

Versions: open v0.4.x

Composer: conflict with symfony/options-resolver < 6.x

Do not replace existing tags in NetteSessionIntegration (#9)

Tests: cover integrations

Composer: conflict with nette/utils <3.2.1

IgnoreErrorIntegration: ignore Event message

Phpstan: drop versions

CI: add code coverage