Reinstate the RHEL 7 integration tests

[Molter73]

Description

A detailed explanation of the changes in your PR.

Feel free to remove this section if it is overkill for your PR, and the title of your PR is sufficiently descriptive.

Checklist

• Investigated and inspected CI test results
• Updated documentation accordingly

Automated testing

• Added unit tests
• Added integration tests
• Added regression tests

If any of these don't apply, please comment below.

Testing Performed

TODO(replace-me)
Use this space to explain how you tested your PR, or, if you didn't test it, why you did not do so. (Valid reasons include "CI is sufficient" or "No testable changes")
In addition to reviewing your code, reviewers must also review your testing instructions, and make sure they are sufficient.

For more details, ref the Confluence page about this section.

[openshift-ci]

Skipping CI for Draft Pull Request.
If you want CI signal for your change, please convert it to an actual PR.
You can still manually trigger a test run with /test all

[github-actions]

Kernel	Method	Without Collector Time (secs)	With Collector Time (secs)	Baseline median (secs)	Collector median (secs)	PValue
rhel.rhel-7	ebpf	219.832	524.604	181.96	356.72	🟢
rhel.rhel-7	module	231.847	410.469	185.93	285.44	🟢
rhel.rhel-8	ebpf	231.522	253.924	204.92	213.7	🔴
rhel.rhel-8	module	227.824	404.941	187.91	285.98	🟢
ubuntu-os.ubuntu-1804-lts	ebpf	152.373	153.417	206.11	213.49	🟢
ubuntu-os.ubuntu-1804-lts	module	160.164	273.032	199.27	291.54	🟢
ubuntu-os.ubuntu-2004-lts	ebpf	194.832	242.107	236.1	234.97	🔴
ubuntu-os.ubuntu-2004-lts	module	175.815	285.433	232.85	321.36	🟢
ubuntu-os.ubuntu-2204-lts	ebpf	134.969	142.173	222.56	229.05	🟢
ubuntu-os.ubuntu-2204-lts	module	148.117	321.569	213.37	287.88	🟢