Switch to container image ubi9/openjdk 1.21 -> 1.22

[mschorsch]

Description

Switch to container image ubi9/openjdk 1.22 by default.

https://catalog.redhat.com/software/containers/ubi9/openjdk-21-runtime/6501ce769a0d86945c422d5f

Implementation ideas

quarkus/core/deployment/src/main/java/io/quarkus/deployment/images/ContainerImages.java

Line 36 in e2db84d

public static final String UBI9_JAVA_VERSION = "1.21";

[gsmet]

Assigning to @cescoffier so that we discuss it when he's back.

[mschorsch]

1.23 also seems to be on its way

[cescoffier]

Let's more to 1.23 - I don't see any good reason to stay behind.

[cescoffier]

@mschorsch would you open a PR?

[cescoffier]

I opened a PR.