Bump trybuild from 1.0.48 to 1.0.49 (#4039)

Bumps [trybuild](https://github.com/dtolnay/trybuild) from 1.0.48 to 1.0.49.
- [Release notes](https://github.com/dtolnay/trybuild/releases)
- [Commits](https://github.com/dtolnay/trybuild/compare/1.0.48...1.0.49)

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

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