protobuf generation modifies types.go, which needs to be copied out

This was broken when we moved to the build container, but no one
noticed. We also likely have another bug, which is that protobuf should
hard fail when we have fields that aren't assigned a tag.

build/common.sh

@@ -704,6 +704,7 @@ function kube::build::copy_output() {
     --filter='+ zz_generated.*' \
     --filter='+ generated.proto' \
     --filter='+ *.pb.go' \
+    --filter='+ types.go' \
     --filter='+ */' \
     --filter='- /**' \
     "rsync://k8s@${KUBE_RSYNC_ADDR}/k8s/" "${KUBE_ROOT}"