Update SpecUtils used

wcjohns · wcjohns · commit 229cfe6af307 · 2021-07-20T12:33:32.000-07:00
diff --git a/external_libs/SpecUtils b/external_libs/SpecUtils
@@ -1 +1 @@
-Subproject commit 98e2301dbcb9d892f43bd16c9a3d65676f1348ae
+Subproject commit 2755559b5b1899fd4ca293acde836327cf0f1181
