build(deps-dev): bump org.assertj:assertj-core in /bloc

Bumps [org.assertj:assertj-core](https://github.com/assertj/assertj) from 3.27.3 to 3.27.7.
- [Release notes](https://github.com/assertj/assertj/releases)
- [Commits](https://github.com/assertj/assertj/compare/assertj-build-3.27.3...assertj-build-3.27.7)

---
updated-dependencies:
- dependency-name: org.assertj:assertj-core
  dependency-version: 3.27.7
  dependency-type: direct:development
...

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