build(deps): bump org.assertj:assertj-core from 3.25.3 to 3.26.0

Bumps [org.assertj:assertj-core](https://github.com/assertj/assertj) from 3.25.3 to 3.26.0.
- [Release notes](https://github.com/assertj/assertj/releases)
- [Commits](assertj/assertj@assertj-build-3.25.3...assertj-build-3.26.0)

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

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

gradle/libs.versions.toml

@@ -4,7 +4,7 @@ log4j = "2.23.1"
 mockito = "5.12.0"
 slf4j = "2.0.13"
 guava = "33.2.0-jre"
-assertj = "3.25.3"
+assertj = "3.26.0"
 junit = "5.10.2"
 testcontainers = "1.19.8"
 protoc = "3.25.1"