fix(deps): update dependency org.assertj:assertj-core to v3.27.6

Author: renovate[bot]

gradle/libraries.versions.toml

@@ -2,7 +2,7 @@
 retrofit2 = "3.0.0"
 jjwt = "0.13.0"
 jackson = "2.20.0"
-assertj = "3.27.5"
+assertj = "3.27.6"
 junit = "5.13.4"
 junitPlatformLauncher = "1.13.4"
 slf4j = "2.0.17"