rust/wizer(deps): bump tempfile in /tools/wizer_initializer

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]>

Author: dependabot[bot]

tools/wizer_initializer/Cargo.lock

@@ -23,5 +23,5 @@ sha2 = "0.10"
 tokio = { version = "1.0", features = ["full"] }
 chrono = { version = "0.4", features = ["serde"] }
 futures-util = "0.3"
-tempfile = "3.8"
+tempfile = "3.21"
 octocrab = { version = "0.32", features = ["stream"] }