DAOS-17562 test: Add missing EL 8 debuginfo packages (#16387)

[phender]

Avoid 'missing debuginfo' messages in EL 8.8 generated stack traces.

Skip-unit-tests: true Skip-fault-injection-test: true Skip-func-hw-test: true Test-tag: test_core_files

Steps for the author:

• [ ] Commit message follows the guidelines.
• [ ] Appropriate Features or Test-tag pragmas were used.
• [ ] Appropriate Functional Test Stages were run.
• [ ] At least two positive code reviews including at least one code owner from each category referenced in the PR.
• [ ] Testing is complete. If necessary, forced-landing label added and a reason added in a comment.

After all prior steps are complete:

• [ ] Gatekeeper requested (daos-gatekeeper added as a reviewer).

[github-actions[bot]]

Ticket title is 'Missing debuginfo packages for EL 8.8 in stack trace generated by harness/core_files.py' Status is 'Awaiting backport' Labels: 'pr_test,request_for_2.6.4,scrubbed_2.8,testp1' https://daosio.atlassian.net/browse/DAOS-17562