Upgrade dsymbol version

RazvanN7 · Geod24 · commit 30290bc69004 · 2021-07-29T17:35:00.000+09:00
diff --git a/dsymbol b/dsymbol
@@ -1 +1 @@
-Subproject commit b8920c2a4593e24d1ced91f8f0bce9e50f598e4d
+Subproject commit aa4db35bee875a3c937cdd78b7f2e8c3a475fe79
