Bump wiremock from 0.5.7 to 0.5.8 in /src/agent (#1414)

Bumps [wiremock](https://github.com/LukeMathWalker/wiremock-rs) from 0.5.7 to 0.5.8.
- [Release notes](https://github.com/LukeMathWalker/wiremock-rs/releases)
- [Changelog](https://github.com/LukeMathWalker/wiremock-rs/blob/main/CHANGELOG.md)
- [Commits](https://github.com/LukeMathWalker/wiremock-rs/compare/v0.5.7...v0.5.8)

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

Signed-off-by: dependabot[bot] <support@github.com>

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Marc Greisen <marc@greisen.org>

src/agent/Cargo.lock

@@ -3217,9 +3217,9 @@ dependencies = [
 
 [[package]]
 name = "wiremock"
-version = "0.5.7"
+version = "0.5.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "33807c11bd2c5a3896c36042ef2ca9663795bb7e4af2fe87474a159ea72c2159"
+checksum = "4c3fe7c6af90383100cd1486ef0467c2ebead0303ed7aa3dc6e51173ee3ff8ba"
 dependencies = [
  "async-trait",
  "deadpool",