Bump symfony/process from 5.4.0 to 6.4.15 #94

Job	Run time
Create Release / Craft Release	0s
Create Release / Diff / Helm Diff	0s
Create Release / Diff / Terraform Diff	0s
Create Release / Required Labels / Required Labels	2s
Create Release / Set Milestone / Supported Versions Matrix	3s
Create Release / Diff / Composer Diff / Comment composer.lock diff	9s
Create Release / Set Milestone / Figure out what the version should be	17s
Create Release / Set Milestone / Set Milestone	0s
	31s

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