Rollup merge of rust-lang#89996 - winterqt:bump-backtrace, r=Mark-Simulacrum

matthiaskrgr · web-flow · commit 2724b0006513 · 2021-10-18T08:13:32.000+02:00
Bump backtrace rust-lang/backtrace-rs#446 allows binaries built with Nix on macOS to be symbolized.
diff --git a/library/backtrace b/library/backtrace
@@ -1 +1 @@
-Subproject commit cc89bb66f91b2b4a640b0b525ca5d753e3346d7e
+Subproject commit 7f14f76c8ba6945c052fab77022e6e768b58e0b4
