Replace jupiter api and engine packages with combined import

* Replaced separate packages with combined package (`org.junit.jupiter:junit-jupiter:5.13.4`) as both removed packages were required to be the same version, causing dependabot issues.

Author: MartinWheelerMT

e2e-tests/build.gradle

@@ -20,13 +20,11 @@ dependencies {
     testImplementation 'com.fasterxml.jackson.datatype:jackson-datatype-jsr310:2.19.2'
     testImplementation 'commons-io:commons-io:2.19.0'
     testImplementation 'org.awaitility:awaitility:4.3.0'
-    testImplementation 'org.junit.jupiter:junit-jupiter-api:5.11.4'
+    testImplementation 'org.junit.jupiter:junit-jupiter:5.13.4'
     testImplementation "org.assertj:assertj-core:3.27.3"
     testImplementation 'ch.qos.logback:logback-classic:1.5.18'
     testImplementation 'org.xmlunit:xmlunit-assertj3:2.10.3'
     testImplementation 'org.apache.httpcomponents.client5:httpclient5:5.5'
-
-    testRuntimeOnly 'org.junit.jupiter:junit-jupiter-engine:5.11.4'
 }
 
 tasks.withType(Test) {