2021-June-19 - Prerelease - 2.6.254

Bump radiance-substance from 3.5.1 to 4.0.0 (#9366)

Bumps [radiance-substance](https://github.com/kirill-grouchnikov/radiance) from 3.5.1 to 4.0.0.
- [Release notes](https://github.com/kirill-grouchnikov/radiance/releases)
- [Commits](https://github.com/kirill-grouchnikov/radiance/commits/v4.0.0)

---
updated-dependencies:
- dependency-name: org.pushing-pixels:radiance-substance
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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