Update dependency org.assertj:assertj-core to v3.27.6 (#324)

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

Author: renovate[bot]

build.gradle.kts

@@ -27,7 +27,7 @@ version = "2025.1.25"
 
 dependencies {
     testImplementation("org.jetbrains.kotlin:kotlin-test")
-    testImplementation("org.assertj:assertj-core:3.27.4")
+    testImplementation("org.assertj:assertj-core:3.27.6")
     testImplementation("org.junit.platform:junit-platform-launcher:1.13.4")
     implementation(kotlin("test"))
     implementation("org.codehaus.jettison:jettison:1.5.4")