Updated referenced image submodule to latest origin master.

ptasev · ptasev · commit 770dc0601516 · 2021-01-13T14:29:54.000-08:00
diff --git a/tests/Images/External b/tests/Images/External
@@ -1 +1 @@
-Subproject commit 8b43d14d21ce9b436af3d12a70d38402cdba176b
+Subproject commit 346070e5ba538f1a3bbafc0ea7367404c5f8c9ab
