SUSE-SU-2026:3480-1 Security update for kubevirt

This update for kubevirt fixes the following issues: - Security update correcting a CVE over-claim from the previous update, verified by auditing the fix code actually present in the vendored tree: CVE-2026-39821 bsc1266575: the previous entry claimed this fixed by the golang.org/x/net v0.55.0...