v3.20.1: Bump docker/build-push-action from 6.0.1 to 6.0.2 (#102)

Bumps [docker/build-push-action](https://github.com/docker/build-push-action) from 6.0.1 to 6.0.2.
- [Release notes](https://github.com/docker/build-push-action/releases)
- [Commits](https://github.com/docker/build-push-action/compare/94f8f8c2eec4bc3f1d78c1755580779804cb87b2...f6010ea70151369b06f0194be1051fbbdff851b2)

---
updated-dependencies:
- dependency-name: docker/build-push-action
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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Co-authored-by: Thomas Leplus <thomasleplus@users.noreply.github.com>