chore: update Fedora reference from 37 to 38 in images URL comment

[austinvazquez]

Issue #, if available: N/A

Description of changes: Update the Fedora image URL in makefile to reference Fedora 38

Testing done: N/A

• [x] I've reviewed the guidance in CONTRIBUTING.md

License Acceptance

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.