4517 [in_app_purchase] Fix CHANGELOG for 0.2.0. (cla: yes, waiting for tree to go green, p: in_app_purchase, platform-ios)

4521 Revert “[ci] Add ‘main’ builders in bringup mode” (cla: yes, waiting for tree to go green)

4523 [in_app_purchase] Emit empty list when no transactions to restore. (cla: yes, waiting for tree to go green, p: in_app_purchase)

4527 [in_app_purchase] Deprecated the InAppPurchaseAndroidPlatformAddition.enablePendingPurchases method. (cla: yes, waiting for tree to go green, p: in_app_purchase, platform-android)