Bump tempfile from 3.3.0 to 3.4.0 (#2247)

Bumps [tempfile](https://github.com/Stebalien/tempfile) from 3.3.0 to 3.4.0.
- [Release notes](https://github.com/Stebalien/tempfile/releases)
- [Changelog](https://github.com/Stebalien/tempfile/blob/master/NEWS)
- [Commits](https://github.com/Stebalien/tempfile/commits)

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

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

polkadot-parachain/Cargo.toml

@@ -96,7 +96,7 @@ substrate-build-script-utils = { git = "https://github.com/paritytech/substrate"
 [dev-dependencies]
 assert_cmd = "2.0"
 nix = { version = "0.26.1", features = ["signal"] }
-tempfile = "3.3.0"
+tempfile = "3.4.0"
 tokio = { version = "1.25.0", features = ["macros", "time", "parking_lot"] }
 wait-timeout = "0.2"
 # purge_chain_works works with rococo-local and needs to allow this