Fix missing composer dependencies in ubi8-minimal base image

What does this MR do?

The ubi8-minimal images purposefully do not include the timezone data inside of /usr/share/zoneinfo to save space. This causes composer to exit with a fatal error in PHP7, and segfault in PHP8. This is because composer assumess that the timezone database exists. To fix the fatal error / segfault issue, it's required to force a re-install of tzdata and libksba which is also required by composer.

What are the relevant issue numbers?

Closes gitlab-org/gitlab#379253 (closed)

Does this MR meet the acceptance criteria?

• Changelog entry added
• Documentation created/updated for GitLab EE, if necessary
• Documentation created/updated for this project, if necessary
• Documentation reviewed by technical writer or follow-up review issue created
• Tests added for this feature/bug
• Job definition updated, if necessary
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• Conforms to the code review guidelines
• Conforms to the Go guidelines
• Security reports checked/validated by reviewer