Update release plan for Commonalities r4.4 - #294

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[P-033] release-plan.yaml cannot be changed while an active release exists (active snapshot branch: release-snapshot/r4.1-7b7e46e; release state is 'snapshot-active' (Release Issue #270)). Finish, discard, or publish the active snapshot before changing release-plan.yaml. | Suggestion: Finish, discard, or publish the active snapshot before changing release-plan.yaml.