Bump tempfile from 3.20.0 to 3.21.0 (#809)

Bumps [tempfile](https://github.com/Stebalien/tempfile) from 3.20.0 to 3.21.0.
- [Changelog](https://github.com/Stebalien/tempfile/blob/master/CHANGELOG.md)
- [Commits](https://github.com/Stebalien/tempfile/commits)

---
updated-dependencies:
- dependency-name: tempfile
  dependency-version: 3.21.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

Cargo.lock

@@ -87,7 +87,7 @@ signal-hook-registry = "1.4.6"
 envy = { version = "0.4.2" }
 serde = "1.0"
 proptest = "1.7.0"
-tempfile = "3.20.0"
+tempfile = "3.21.0"
 crossbeam-queue = "0.3.12"
 tracing-serde = "0.2.0"
 serial_test = "3.1.1"