update submodule

breandan · breandan · commit 4c6901e1a452 · 2020-11-29T12:31:41.000-05:00
diff --git a/kaliningraph b/kaliningraph
@@ -1 +1 @@
-Subproject commit 7b623ee6f46b56c4dc6155ad3fa51fa37ba74428
+Subproject commit 15335ed2e77591d89c2fb1c65391c14fc4e15040
