This commit updates the "create-github-release" action to allow an
additional input that specifies whether this is a pre-release. If that
is the case, then the `--prerelease` flag is set.
Closes gh-33200
This commit harmonizes our CI configuration with Spring Boot, in
particular the clever use of reusable custom actions that simplify
the workflow definition quite a bit.
One main difference compared to Spring Boot is that we can now
specify a different distribution for a Java version to test, in
preparation for the support of building against 23-ea
See gh-32090
