DRi#6611: Fix glibc 2.37 elfutils hang (#2495)

Updates DR to b42b82b1d to fix a problem with DR's private loader with
glibc 2.37 and the new elfutils libdw when addresses are looked up.

Issue: DynamoRIO/dynamorio#6611

dynamorio

diff --git a/dynamorio b/dynamorio
index 3e3b976..b42b82b 160000
--- a/dynamorio
+++ b/dynamorio
@@ -1 +1 @@
-Subproject commit 3e3b976e316e9469ca36338fb7f3fa086739d03a
+Subproject commit b42b82b1d2b9501272c89bd1f5787997784945fd