gh/workflows: Do not disable IPv6 in the LB-only suite
gh/workflows: Do not disable IPv6 in the LB-only suite

Enabling allows us to check whether the LB-only program with the IPv6
processing parts can be accepted by the BPF verifier.

Signed-off-by: Martynas Pumputis <6b0d31c0d563223024da45691584643ac78c96e8@lambda.lt>

cilium/cilium,cilium/cilium,cilium/cilium,cilium/cilium,cilium/cilium