Require golang-k8s-sigs-structured-merge-diff-dev >= 4.4.2~

Debian CI was showing issues when building the package:

 49s # k8s.io/apimachinery/pkg/util/managedfields/internal
 49s src/k8s.io/apimachinery/pkg/util/managedfields/internal/structuredmerge.go:45:239: undefined: fieldpath.Filter
 49s src/k8s.io/apimachinery/pkg/util/managedfields/internal/structuredmerge.go:57:4: unknown field IgnoreFilter in struct literal of type merge.Updater
 49s src/k8s.io/apimachinery/pkg/util/managedfields/internal/structuredmerge.go:65:242: undefined: fieldpath.Filter
 49s src/k8s.io/apimachinery/pkg/util/managedfields/internal/structuredmerge.go:74:4: unknown field IgnoreFilter in struct literal of type merge.Updater

https://ci.debian.net/packages/g/golang-k8s-apimachinery/testing/amd64/59382638/

The Filter and IgnoreFilter interfaces were introduced in version v4.4.2 of structured-merge-diff.

https://github.com/kubernetes-sigs/structured-merge-diff/compare/v4.4.1...v4.4.2#diff-cbe655e4df83a27b44de60b4d4008cbcf550462c360f95d36aeb9826a2af525fR734

This Merge Request add a version requirement to be >= 4.4.2~ for the Build-Dependency golang-k8s-sigs-structured-merge-diff-dev.