[DNM] Fix ironic-python-agent - CA bundle inject

[hjensas]

The ironic-python-agent needs the internal-ca-bundle.pem.

Add a volume mount for the internal-ca-bundle.pem as well and update the pxe-init script to copy both certificates to the ramdisk image.

Turns out the above is wrong, I will update this once I have found the actual root case.

Jira: OSPRH-12526

[openshift-ci]

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[stuggi]

do we need this? our big ca bundle already has the internal-ca-bundle included.

[hjensas]

do we need this? our big ca bundle already has the internal-ca-bundle included.

Thanks Martin!
It is possible my root cause analysis is wrong.

We are injecting that (or atleast we intend to) since: #491

also after looking more at the lib-common, I think this patch would actually just mount the big ca bundle again under a different name. Anyhow ... I'll go back to figuring out the root cause.

[openshift-ci]

@hjensas: The following test failed, say /retest to rerun all failed tests or /retest-required to rerun all mandatory failed tests:

Test name	Commit	Details	Required	Rerun command
ci/prow/ironic-operator-build-deploy-kuttl	afd5a32	link	true	/test ironic-operator-build-deploy-kuttl

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