build(deps): bump wiremock from 0.6.3 to 0.6.4

Bumps [wiremock](https://github.com/LukeMathWalker/wiremock-rs) from 0.6.3 to 0.6.4.
- [Changelog](https://github.com/LukeMathWalker/wiremock-rs/blob/main/CHANGELOG.md)
- [Commits](LukeMathWalker/wiremock-rs@v0.6.3...v0.6.4)

---
updated-dependencies:
- dependency-name: wiremock
  dependency-version: 0.6.4
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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Author: dependabot[bot]