[release-2.25] Fix `debian11-custom-cni` failing test & upgrade...

[release-2.25] Fix `debian11-custom-cni` failing test & upgrade `debian12-custom-cni-helm` chart version (#11659)

* Test: update custom_cni values

Signed-off-by: ChengHao Yang <17496418+tico88612@users.noreply.github.com>

* Test: fix cilium require kube_owner set to root

Signed-off-by: ChengHao Yang <17496418+tico88612@users.noreply.github.com>

* Test: update custom_cni render manifests

Signed-off-by: ChengHao Yang <17496418+tico88612@users.noreply.github.com>

* Test: fix render template pre-commit

Signed-off-by: ChengHao Yang <17496418+tico88612@users.noreply.github.com>

* Test: update debian12-custom-cni-helm chart version to 1.16.3

Signed-off-by: ChengHao Yang <17496418+tico88612@users.noreply.github.com>

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Signed-off-by: ChengHao Yang <17496418+tico88612@users.noreply.github.com>
Co-authored-by: ChengHao Yang <17496418+tico88612@users.noreply.github.com>