Update wiremock requirement from 0.5.10 to 0.6.0

Updates the requirements on [wiremock](https://github.com/LukeMathWalker/wiremock-rs) to permit the latest version.
- [Changelog](https://github.com/LukeMathWalker/wiremock-rs/blob/main/CHANGELOG.md)
- [Commits](LukeMathWalker/wiremock-rs@v0.5.10...v0.6.0)

---
updated-dependencies:
- dependency-name: wiremock
  dependency-type: direct:production
...

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

Cargo.toml

@@ -23,4 +23,4 @@ thiserror = "1.0.30"
 dotenv = "0.15.0"
 lazy_static = "1.4.0"
 tokio = { version = "1.15.0", features = ["rt", "macros"] }
-wiremock = "0.5.10"
+wiremock = "0.6.0"