Fix Maven version in description of Java Maven stack

[apupier]

https://catalog.redhat.com/software/containers/ubi9/openjdk-17/61ee7c26ed74b2ffb22b07f6?image=65a90783d59cca758b7d8d64&container-tabs=packages https://catalog.redhat.com/software/containers/ubi8/openjdk-11/5dd6a4b45a13461646f677f4?image=6639ed26fe2c35406921c084&container-tabs=packages

What does this PR do?:

Summarize the changes. Are any stacks or samples added or updated?

Which issue(s) this PR fixes:

Link to github issue(s)

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[openshift-ci]

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[apupier]

I'm wondering if we should not remove the Maven version as I do not think it is very important

[thepetk]

LGTM +1 on not removing the Maven version. @kadel could you please review as the owner of the stack?

[thepetk]

/ok-to-test

[Jdubrick]

LGTM +1 on not removing the Maven version. @kadel could you please review as the owner of the stack?

Bump @kadel

[openshift-ci]

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This pull-request has been approved by: apupier, kadel, svor
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