Add the missing "v" in front of k3s version #2189

Job	Run time
core-alpine / build	11m 0s
core-ubuntu-22-lts / build	13m 8s
core-ubuntu-24-10 / build	10m 33s
core-ubuntu-24-lts / build	10m 20s
standard / build	11m 4s
install / test	8m 20s
bundles / test	8m 20s
acceptance / test	8m 21s
install-secureboot / test	8m 19s
install-target / test	8m 8s
netboot / test	8m 17s
upgrade / test	8m 7s
reset / test	8m 6s
upgrade-latest / test	8m 7s
custom-partitioning (ubuntu, 24.04) / test	8m 10s
encryption (local-encryption) / test	2m 37s
encryption (remote-auto) / test	8m 18s
encryption (remote-https-bad-cert) / test	8m 18s
encryption (remote-https-pinned) / test	8m 18s
encryption (remote-static) / test	8m 17s
acceptance-alpine / test	7m 41s
install-alpine / test	7m 29s
netboot-alpine / test	7m 42s
reset-alpine / test	7m 29s
upgrade-alpine / test	7m 29s
encryption-alpine (remote-auto) / test	7m 40s
encryption-alpine (local-encryption) / test	7m 40s
encryption-alpine (remote-https-bad-cert) / test	7m 42s
encryption-alpine (remote-https-pinned) / test	7m 40s
encryption-alpine (remote-static) / test	5m 55s
zfs / test	1s
	4h 8m 36s

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