Bump kevinrob/guzzle-cache-middleware from 4.0.2 to 4.1.2 (mglaman#216)

Bumps [kevinrob/guzzle-cache-middleware](https://github.com/Kevinrob/guzzle-cache-middleware) from 4.0.2 to 4.1.2.
- [Release notes](https://github.com/Kevinrob/guzzle-cache-middleware/releases)
- [Commits](Kevinrob/guzzle-cache-middleware@v4.0.2...v4.1.2)

---
updated-dependencies:
- dependency-name: kevinrob/guzzle-cache-middleware
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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