Marks the Recommendation State as Claimed. Users can use this method to indicate to the Recommender API that they are starting to apply the recommendation themselves. This stops the recommendation content from being updated. Associated insights are frozen and placed in the ACCEPTED state. MarkRecommendationClaimed can be applied to recommendations in CLAIMED, SUCCEEDED, FAILED, or ACTIVE state. Requires the recommender.*.update IAM permission for the specified recommender.