Update dependency react-parallel/pool-tests to v6 #113

Job	Run time
Create Release / Set Milestone / Supported Versions Matrix	6s
Create Release / Required Labels / Required Labels	3s
Create Release / Diff	-1s
Create Release / Craft Release	-10s
Create Release / Set Milestone / Supported Threading Matrix / Supported Threading Matrix	5s
Create Release / Set Milestone / Figure out what the version should be	36s
Create Release / Set Milestone / Set Milestone / Set Milestone	8s
	47s

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