`IntOrString` needs a wrapper

[kazk]

k8s-pb/k8s-pb-codegen/protos/apimachinery/pkg/util/intstr/generated.proto

Lines 36 to 42 in 7b4bf26

	message IntOrString {
	optional int64 type = 1;
	optional int32 intVal = 2;
	optional string strVal = 3;
	}

[clux]

Presumably to get an enum rather than a struct? We don't actually have any enums in the out directory at all.

The generated k8s-openapi one is marked as having alternative codegen and some special schema handling.