[CI] Print modified image for clarity

get-modified-image.sh

@@ -22,3 +22,5 @@ if [ "$RES" = "" ]; then exit 1; fi
 
 echo "export MODIFIED_IMAGE_FULL_TEST=registry.test.picasoft.net/${RES}" >> variables
 echo "export MODIFIED_IMAGE_FULL=registry.picasoft.net/${RES}" >> variables
+
+echo "Found modified image : $MODIFIED_IMAGE_FULL"