.oniro-ci: preserve all properties of copied artifacts

The --archive flag should help us preserve symlinks.
Add --verbose to make the process easier to debug.

Signed-off-by: Zygmunt Krynicki <zygmunt.krynicki@huawei.com>

.oniro-ci/build-generic.yaml

@@ -293,7 +293,7 @@
         (
           cd "$BITBAKE_TMPDIR"/deploy/
           for artifact in $CI_ONIRO_JOB_ARTIFACTS; do
-            find ./ -type f -name "$artifact" -exec cp --parents {} "$CI_PROJECT_DIR"/artifacts \;
+            find ./ -type f -name "$artifact" -exec cp --verbose --archive --parents {} "$CI_PROJECT_DIR"/artifacts \;
           done
         )
       fi