Changes to Store workflow task execution metadata

added ResourceAllocation to the tasks/items/resourceAllocation request property allOf list

the tasks/items/resourceAllocation request property type changed from object to no type

removed the request property tasks/items/resourceAllocation/acceleratorCount

removed the request property tasks/items/resourceAllocation/acceleratorName

removed the request property tasks/items/resourceAllocation/acceleratorType

removed the request property tasks/items/resourceAllocation/cpuShares

removed the request property tasks/items/resourceAllocation/memoryMiB

removed the request property tasks/items/resourceAllocation/time

the request property tasks/items/disk became nullable

the request property tasks/items/env became nullable

the request property tasks/items/errorAction became nullable

the request property tasks/items/logStreamId became nullable

the request property tasks/items/memory became nullable

the request property tasks/items/numSpotInterruptions became nullable

the request property tasks/items/resourceAllocation became nullable

the request property tasks/items/scratch became nullable

the request property tasks/items/tag became nullable

the request property tasks/items/time became nullable

added the new optional request property tasks/items/gpuMetrics

added the new optional request property tasks/items/resourceAllocation

added the new optional request property tasks/items/logStreamId

added the new optional request property tasks/items/errorMessage

added the new optional request property progress/numSpotInterruptions

added the new optional request property tasks/items/numSpotInterruptions