feat(Dockerfile): modify base to use ubi-micro

[jcantrill]

ref: LOG-10108

https://redhat.atlassian.net/browse/LOG-10108

cc @vparfonov @Clee2691

[jcantrill]

/hold

[openshift-ci]

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[Clee2691]

/lgtm

[jcantrill]

continue to hold until 6.2 release

[jcantrill]

blocked by openshift/release#84947

[jcantrill]

/test images

[jcantrill]

retesting to confirm /release is not replacing base image and the Dockerfile is the source of truth

[jcantrill]

Continue to hold awaiting the release of 6.2.13

/label verified

Upstream release verified base image is ubi-micro

[jcantrill]

/hold cancel

[jcantrill]

/retest

[openshift-ci]

@jcantrill: The following tests failed, say /retest to rerun all failed tests or /retest-required to rerun all mandatory failed tests:

Test name	Commit	Details	Required	Rerun command
ci/prow/clo-functional	29f5989	link	true	/test clo-functional
ci/prow/cluster-logging-operator-e2e	29f5989	link	true	/test cluster-logging-operator-e2e

Full PR test history. Your PR dashboard.

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