Merge branch 'release/v3.1.0'

CHANGELOG.md

composer.json

src/SIU/RestHooks/Backends/Postgres.php

src/SIU/RestHooks/Backends/PostgresDbal.php

src/SIU/RestHooks/QueueSender.php

src/SIU/RestHooks/RestHooksContainerBuilder.php

src/SIU/RestHooks/RestMessenger.php

src/SIU/RestHooks/Sender.php

src/SIU/RestHooks/Topic.php

src/SIU/RestHooks/TopicSender.php

version