Add /tmp/results directory with nonroot ownership

Signed-off-by: Wilson Husin <whusin@vmware.com>

cluster/images/conformance/Dockerfile

@@ -15,9 +15,13 @@
 ARG BASEIMAGE
 
 FROM gcr.io/k8s-staging-build-image/debian-base:v2.1.3 as base
+RUN mkdir /tmp/results \
+ && chown 65532 /tmp/results # Distroless nonroot UID
 
 FROM ${BASEIMAGE}
 
+COPY --from=base /tmp/results /tmp
+
 # This is a dependency for `kubectl diff` tests
 COPY --from=base /usr/bin/diff /usr/local/bin/