deps(java): bump org.assertj:assertj-core from 3.27.4 to 3.27.6

Bumps [org.assertj:assertj-core](https://github.com/assertj/assertj) from 3.27.4 to 3.27.6.
- [Release notes](https://github.com/assertj/assertj/releases)
- [Commits](assertj/assertj@assertj-build-3.27.4...assertj-build-3.27.6)

---
updated-dependencies:
- dependency-name: org.assertj:assertj-core
  dependency-version: 3.27.6
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

gradle/libs.versions.toml

@@ -3,7 +3,7 @@
 # expressions/ grammars
 antlr = "4.13.2"
 # test assertions
-assertj = "3.27.4"
+assertj = "3.27.6"
 # analysis/phonetic/ algorithms, gradle build checksums
 commons-codec = "1.19.0"
 # benchmark/ bzip2 compression