k8s: Fix endpoints returned by update routine
k8s: Fix endpoints returned by update routine

Previously, the function returned all passed endpoints instead the ones
which were filtered and correlated by correlateEndpoints().

The change is no-op, as nobody was consuming the return value of
UpdateEndpoint*().

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

michi-covalent/cilium,cilium/cilium,cilium/cilium,michi-covalent/cilium,cilium/cilium,michi-covalent/cilium,cilium/cilium,cilium/cilium,michi-covalent/cilium,michi-covalent/cilium