build(deps): bump backtrace from 0.3.45 to 0.3.46

Bumps [backtrace](https://github.com/rust-lang/backtrace-rs) from 0.3.45 to 0.3.46.
- [Release notes](https://github.com/rust-lang/backtrace-rs/releases)
- [Commits](https://github.com/rust-lang/backtrace-rs/compare/0.3.45...0.3.46)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

Cargo.lock

@@ -40,10 +40,10 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "backtrace"
-version = "0.3.45"
+version = "0.3.46"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "backtrace-sys 0.1.34 (registry+https://github.com/rust-lang/crates.io-index)",
+ "backtrace-sys 0.1.35 (registry+https://github.com/rust-lang/crates.io-index)",
  "cfg-if 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)",
  "libc 0.2.68 (registry+https://github.com/rust-lang/crates.io-index)",
  "rustc-demangle 0.1.16 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -51,7 +51,7 @@ dependencies = [
 
 [[package]]
 name = "backtrace-sys"
-version = "0.1.34"
+version = "0.1.35"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "cc 1.0.50 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -212,7 +212,7 @@ name = "failure"
 version = "0.1.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "backtrace 0.3.45 (registry+https://github.com/rust-lang/crates.io-index)",
+ "backtrace 0.3.46 (registry+https://github.com/rust-lang/crates.io-index)",
  "failure_derive 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -1594,8 +1594,8 @@ dependencies = [
 "checksum async-trait 0.1.26 (registry+https://github.com/rust-lang/crates.io-index)" = "21a03abb7c9b93ae229356151a083d26218c0358866a2a59d4280c856e9482e6"
 "checksum atty 0.2.14 (registry+https://github.com/rust-lang/crates.io-index)" = "d9b39be18770d11421cdb1b9947a45dd3f37e93092cbf377614828a319d5fee8"
 "checksum autocfg 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)" = "f8aac770f1885fd7e387acedd76065302551364496e46b3dd00860b2f8359b9d"
-"checksum backtrace 0.3.45 (registry+https://github.com/rust-lang/crates.io-index)" = "ad235dabf00f36301792cfe82499880ba54c6486be094d1047b02bacb67c14e8"
-"checksum backtrace-sys 0.1.34 (registry+https://github.com/rust-lang/crates.io-index)" = "ca797db0057bae1a7aa2eef3283a874695455cecf08a43bfb8507ee0ebc1ed69"
+"checksum backtrace 0.3.46 (registry+https://github.com/rust-lang/crates.io-index)" = "b1e692897359247cc6bb902933361652380af0f1b7651ae5c5013407f30e109e"
+"checksum backtrace-sys 0.1.35 (registry+https://github.com/rust-lang/crates.io-index)" = "7de8aba10a69c8e8d7622c5710229485ec32e9d55fdad160ea559c086fdcd118"
 "checksum base64 0.11.0 (registry+https://github.com/rust-lang/crates.io-index)" = "b41b7ea54a0c9d92199de89e20e58d49f02f8e699814ef3fdf266f6f748d15c7"
 "checksum base64 0.12.0 (registry+https://github.com/rust-lang/crates.io-index)" = "7d5ca2cd0adc3f48f9e9ea5a6bbdf9ccc0bfade884847e484d452414c7ccffb3"
 "checksum bitflags 1.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "cf1de2fe8c75bc145a2f577add951f8134889b4795d47466a54a5c846d691693"