Update the backtrace crate

hargoniX · hargoniX · commit 4e61d11a160b · 2021-09-15T20:32:35.000+02:00
rust-lang/backtrace-rs#437 fixed backtraces in OpenBSD -> update it here as well so OpenBSD Rust code can produce proper backtraces.
diff --git a/library/backtrace b/library/backtrace
@@ -1 +1 @@
-Subproject commit 4f925f8d81dfa57067537217e501e1dff7433491
+Subproject commit cc89bb66f91b2b4a640b0b525ca5d753e3346d7e
