Update mockserver.client to v7

Author: renovate[bot]

gradle/libs.versions.toml

@@ -40,7 +40,7 @@ ksp = "2.3.8"
 lint-gradle = "1.0.0-rc01"
 maven-publish = "0.36.0"
 maven-sympathy = "0.3.0"
-mockserver-client = "5.15.0"
+mockserver-client = "7.0.0"
 mrjar = "0.1.1"
 openjsse = "1.1.14"
 org-bouncycastle = "1.84"