CDI release schedule addition

[akalenyu]

What this PR does / why we need it:

Which issue(s) this PR fixes (optional, in fixes #<issue number>(, fixes #<issue_number>, ...) format, will close the issue(s) when PR gets merged):
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• Community: Announcement to kubevirt-dev was considered

Release note:

CDI release note

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[akalenyu]

/cc @aburdenthehand