update backtrace crate

Author: RalfJung

Cargo.lock

@@ -121,9 +121,9 @@ checksum = "1d49d90015b3c36167a20fe2810c5cd875ad504b39cff3d4eae7977e6b7c1cb2"
 
 [[package]]
 name = "backtrace"
-version = "0.3.44"
+version = "0.3.45"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e4036b9bf40f3cf16aba72a3d65e8a520fc4bafcdc7079aea8f848c58c5b5536"
+checksum = "ad235dabf00f36301792cfe82499880ba54c6486be094d1047b02bacb67c14e8"
 dependencies = [
  "backtrace-sys",
  "cfg-if",
@@ -135,9 +135,9 @@ dependencies = [
 
 [[package]]
 name = "backtrace-sys"
-version = "0.1.32"
+version = "0.1.33"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5d6575f128516de27e3ce99689419835fce9643a9b215a14d2b5b685be018491"
+checksum = "e17b52e737c40a7d75abca20b29a19a0eb7ba9fc72c5a72dd282a0a3c2c0dc35"
 dependencies = [
  "cc",
  "compiler_builtins",