Update CDI specification to v0.8.0

[elezar]

These changes update the imported CDI specification to v0.8.0. This includes the migration to the tags.cncf.io repository.

[elezar]

/cc @klueska

[klueska]

/approve
/lgtm

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[klueska]

I should have probably tested this before merging it -- after this change CDI injection is not working...

The underlying issue was that the version of containerd included in my node image was too old. We removed support for injecting CDI devices via annotations in 1.31 and the version of containerd my node image (v1.7.1) had was too old to work with CDI devices passed via CRI. After upgrading kind to a newer version, this resolved the issue.