refactor kubernetes-pause and update to 3.10

[kranurag7]

this commit bumps the kubernetes pause version to 3.10 which is what
is being used by kubernetes-1.31 latest release and also adds a
compat package and tests for kubernetes-pause package.

ref: https://github.com/kubernetes/community/blob/master/contributors/devel/sig-node/updating-pause-images.md#first-level-core-projects (on k/k, it's already updated to 3.10)

the usage of which version of pause is being used can also be verified by kubeadm.

/ # apk add kubeadm
/ # kubeadm version
kubeadm version: &version.Info{Major:"1", Minor:"31", GitVersion:"v1.31.1", GitCommit:"948afe5ca072329a73c8e79ed5938717a5cb3d21", GitTreeState:"clean", BuildDate:"2024-10-13T19:50:13Z", GoVersion:"go1.23.2", Compiler:"gc", Platform:"linux/amd64"}
/ # kubeadm config images list
registry.k8s.io/kube-apiserver:v1.31.1
registry.k8s.io/kube-controller-manager:v1.31.1
registry.k8s.io/kube-scheduler:v1.31.1
registry.k8s.io/kube-proxy:v1.31.1
registry.k8s.io/coredns/coredns:v1.11.3
registry.k8s.io/pause:3.10
registry.k8s.io/etcd:3.5.15-0