npm(deps): bump openapi-sampler from 1.7.3 to 1.7.4

Bumps [openapi-sampler](https://github.com/Redocly/openapi-sampler) from 1.7.3 to 1.7.4.
- [Release notes](https://github.com/Redocly/openapi-sampler/releases)
- [Changelog](https://github.com/Redocly/openapi-sampler/blob/main/CHANGELOG.md)
- [Commits](Redocly/openapi-sampler@v1.7.3...v1.7.4)

---
updated-dependencies:
- dependency-name: openapi-sampler
  dependency-version: 1.7.4
  dependency-type: indirect
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]