Update submodule to version 1.23

2019-12-17 15:25:29 +00:00 · 2019-12-17 15:25:29 +00:00 · 839d5acb02
--- a/2
+++ b/2
@ -1 +1 @@
-Subproject commit b9d1c387530f574192e4b9153cc59e9f5dc20b18
+Subproject commit a974bccd62e87dfd52f7e6d819a026d0feed4701