Fix: Update RH base image to ubi9/ubi

[doodlesbykumbi]

Updating the RH base image fixes the mismatch between libc versions with the authenticator-client-builder image

Desired Outcome

For context

$ docker run --rm -it --entrypoint=  golang:1.20 ldd --version ldd   # builder image
ldd (Debian GLIBC 2.36-9) 2.36
...
$ docker run --rm -it --entrypoint=  registry.access.redhat.com/ubi8/ubi  ldd --version ldd # previous redhat base image 
ldd (GNU libc) 2.28
...
$ docker run --rm -it --entrypoint=  registry.access.redhat.com/ubi9/ubi  ldd --version ldd # updated redhat base image
ldd (GNU libc) 2.34
...

Implemented Changes

Describe how the desired outcome above has been achieved with this PR. In particular, consider:

• What's changed? Why were these changes made?
• How should the reviewer approach this PR, especially if manual tests are required?
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Connected Issue/Story

Resolves #[relevant GitHub issue(s), e.g. 76]

CyberArk internal issue ID: [insert issue ID]

Definition of Done

At least 1 todo must be completed in the sections below for the PR to be merged.

Changelog

• [ ] The CHANGELOG has been updated, or
• [ ] This PR does not include user-facing changes and doesn't require a CHANGELOG update

Test coverage

• [ ] This PR includes new unit and integration tests to go with the code changes, or
• [ ] The changes in this PR do not require tests

Documentation

• [ ] Docs (e.g. READMEs) were updated in this PR
• [ ] A follow-up issue to update official docs has been filed here: [insert issue ID]
• [ ] This PR does not require updating any documentation

Behavior

• [ ] This PR changes product behavior and has been reviewed by a PO, or
• [ ] These changes are part of a larger initiative that will be reviewed later, or
• [ ] No behavior was changed with this PR

Security

• [ ] Security architect has reviewed the changes in this PR,
• [ ] These changes are part of a larger initiative with a separate security review, or
• [ ] There are no security aspects to these changes