Auto merge of #97207 - RalfJung:backtrace, r=Mark-Simulacrum

update libbacktrace

It seems like previously we were on a tag of the backtrace repo; not sure if there is a policy that it should always be a tag?

Cc https://github.com/rust-lang/backtrace-rs/pull/462 `@alexcrichton` `@DrMeepster`
This commit is contained in:
bors 2022-05-28 19:30:58 +00:00
commit 1fede1753c

@ -1 +1 @@
Subproject commit b02ed04a7e915659eea6fb1607df469b84a30638
Subproject commit 4e5a3f72929f152752d5659e95bb15c8f6b41eff