1.0.0

First release 🎉

What's Changed

• better/native type declarations by @smoench in #1
• allow symfony 6 by @smoench in #2
• enable phpstan level 3 by @smoench in #3
• adds rector and ecs by @smoench in #4

Full Changelog: https://github.com/smoench/OpenSearchDSL/commits/1.0.0