chore(cargo): bump testdir from 0.9.1 to 0.9.3

Bumps [testdir](https://github.com/flub/testdir) from 0.9.1 to 0.9.3.
- [Changelog](https://github.com/flub/testdir/blob/main/CHANGELOG.md)
- [Commits](flub/testdir@v0.9.1...v0.9.3)

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

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

Cargo.lock

@@ -120,7 +120,7 @@ nu-ansi-term = { workspace = true }
 pretty_assertions = "1.4.1"
 proptest = { version = "1", default-features = false, features = ["std"] }
 tempfile = { workspace = true }
-testdir = "0.9.0"
+testdir = "0.9.3"
 tokio = { workspace = true, features = ["rt-multi-thread", "macros"] }
 
 [workspace]