Update dependency org.junit.jupiter:junit-jupiter to v6

Author: renovate[bot]

build.gradle

@@ -61,7 +61,7 @@ dependencies {
 
     testImplementation("org.mockito:mockito-core:5.13.0")
     testImplementation("org.slf4j:slf4j-simple:2.0.18")
-    testImplementation("org.junit.jupiter:junit-jupiter:5.11.0")
+    testImplementation("org.junit.jupiter:junit-jupiter:6.1.0")
     testRuntimeOnly("org.junit.platform:junit-platform-launcher")
     testImplementation(libs.rundeckCore)