Opt in for security advisory policy

That would require a first stable release first.

I have just asked the Amazee team if they would like open for joining efforts and creating a well maintained and stable Postgres integration here, instead of having their own forked solution: https://git.drupalcode.org/project/ai_provider_amazeeio/-/blob/1.2.0/src... which they forked from this project here for the sake of being able to release a stable release.