ACC-2533 make tests compatible with docker 29

Author: NielsCW

opa-async-java-client/build.gradle

@@ -22,6 +22,7 @@ dependencies {
     testImplementation "org.assertj:assertj-core"
     testImplementation "org.junit.jupiter:junit-jupiter-api"
 
+    testRuntimeOnly "org.springframework.boot:spring-boot-testcontainers"
     testRuntimeOnly "org.junit.jupiter:junit-jupiter-engine"
     testRuntimeOnly "org.junit.platform:junit-platform-launcher"
     testRuntimeOnly "com.fasterxml.jackson.core:jackson-databind"