Bump log4j2

[bentito]

Bump to log4j2 w/ minimal changes:

• depend on 2.17.2 of log4j2;
• import moved util class;
• bump to latest maven-shade-plugin

[openshift-ci]

@bentito: No Bugzilla bug is referenced in the title of this pull request.
To reference a bug, add 'Bug XXX:' to the title of this pull request and request another bug refresh with /bugzilla refresh.

In response to this:

Bump log4j2

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[openshift-ci]

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