Bump backtrace from 0.3.73 to 0.3.74

Bumps [backtrace](https://github.com/rust-lang/backtrace-rs) from 0.3.73 to 0.3.74.
- [Release notes](https://github.com/rust-lang/backtrace-rs/releases)
- [Commits](rust-lang/backtrace-rs@0.3.73...0.3.74)

---
updated-dependencies:
- dependency-name: backtrace
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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