Update dependency org.assertj:assertj-core to v3.26.3 (#2199)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

gradle.properties

@@ -30,5 +30,5 @@ VER_SLF4J=[1.6,2.0[
 VER_DURIAN=1.2.0
 VER_JGIT=6.10.0.202406032230-r
 VER_JUNIT=5.10.3
-VER_ASSERTJ=3.26.0
+VER_ASSERTJ=3.26.3
 VER_MOCKITO=5.12.0