[AutoPR sdk/resourcemanager/postgresql/armpostgresqlflexibleservers] Fix type mismatch for IndexRecommendationListResult and IndexRecommendationListResult found in 2024-11-01-preview #39829

Job	Run time
Handle ${{ github.event_name }} ${{ github.event.action }} event with azure login	0s
Handle pull_request_target synchronize event	7s
	7s

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