I need to be able to use a map to pointers for my CRD which isn't working when I use the `controller_gen_crd` rule from this package. The error I get is ``` map values must be a named type, not *ast.StarExpr ``` This is fixed in an updated version of [controller-tools](github.com/kubernetes-sigs/controller-tools) but this package is currently fixed to version `0.3.0` as seen here in [scripts/build-controller-gen.sh:5](https://github.com/ob/rules_kubebuilder/blob/main/scripts/build-controller-gen.sh#L5). This was fixed in `controller-tools` in this PR https://github.com/kubernetes-sigs/controller-tools/pull/317 and released in version [v0.4.0](https://github.com/kubernetes-sigs/controller-tools/releases/tag/v0.4.0)