filter_kubernetes: Adjust cleanup ordering to avoid use-after-free #2891

Job	Run time
Staging build matrix	4s
master-build-packages / Extract any supporting metadata	17s
master-build-packages / centos/7 package build and stage to S3	4m 1s
master-build-packages / ubuntu/20.04 package build and stage to S3	6m 17s
master-build-packages / ubuntu/22.04 package build and stage to S3	5m 25s
master-build-packages / debian/bullseye package build and stage to S3	4m 59s
master-build-packages / Create repo metadata in S3	0s
	21m 3s

Provide feedback