podvm: Update hardcoded value for oras on podvm-builder #280

Job	Run time
csi-wrapper / build and push (csi-controller-wrapper)	2m 41s
csi-wrapper / build and push (csi-node-wrapper)	2m 39s
csi-wrapper / build and push (csi-podvm-wrapper)	2m 34s
caa / build and push (dev-amd64, linux/amd64)	4m 40s
caa / build and push (dev-s390x, linux/s390x)	35m 21s
caa / build and push (dev-ppc64le, linux/ppc64le)	31m 42s
caa / build and push (release-amd64, linux/amd64)	2m 57s
caa / build and push (release-s390x, linux/s390x)	5m 21s
caa / build and push (release-ppc64le, linux/ppc64le)	6m 4s
peerpod-ctrl / build and push peerpod-ctrl	47m 40s
webhook / build and push webhook	2m 31s
caa / generate images manifest	1m 18s
	2h 25m 28s

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