chore(deps): bump @readme/openapi-parser from 2.5.1 to 2.6.0

Bumps [@readme/openapi-parser](https://github.com/readmeio/openapi-parser) from 2.5.1 to 2.6.0.
- [Release notes](https://github.com/readmeio/openapi-parser/releases)
- [Commits](readmeio/openapi-parser@2.5.1...2.6.0)

---
updated-dependencies:
- dependency-name: "@readme/openapi-parser"
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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