bump version of SpecUtils

wcjohns · wcjohns · commit 064a3ac2df1d · 2024-05-15T10:08:53.000-07:00
diff --git a/external_libs/SpecUtils b/external_libs/SpecUtils
@@ -1 +1 @@
-Subproject commit b70cd6fe7e299dcf2cc8c3f351ec4d6144a9b275
+Subproject commit a6c878be1b9da64fc879561d70450d01884fc2a5
