Bump proptest from 1.0.0 to 1.1.0

Bumps [proptest](https://github.com/proptest-rs/proptest) from 1.0.0 to 1.1.0.
- [Release notes](https://github.com/proptest-rs/proptest/releases)
- [Changelog](https://github.com/proptest-rs/proptest/blob/master/CHANGELOG.md)
- [Commits](https://github.com/proptest-rs/proptest/compare/1.0.0...v1.1.0)

---
updated-dependencies:
- dependency-name: proptest
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

taskchampion/taskchampion/Cargo.toml

@@ -27,7 +27,7 @@ byteorder = "1.0"
 ring = "0.16"
 
 [dev-dependencies]
-proptest = "^1.0.0"
+proptest = "^1.1.0"
 tempfile = "3"
 rstest = "0.16"
 pretty_assertions = "1"