fix(deps): update dependency org.mockito:mockito-core to v5.15.2 (#12991)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

examples/distro/build.gradle

@@ -68,7 +68,7 @@ subprojects {
     implementation(platform("io.opentelemetry.instrumentation:opentelemetry-instrumentation-bom:${versions.opentelemetryJavaagent}"))
     implementation(platform("io.opentelemetry.instrumentation:opentelemetry-instrumentation-bom-alpha:${versions.opentelemetryJavaagentAlpha}"))
 
-    testImplementation("org.mockito:mockito-core:5.14.2")
+    testImplementation("org.mockito:mockito-core:5.15.2")
     testImplementation(enforcedPlatform("org.junit:junit-bom:${versions.junit}"))
     testImplementation("org.junit.jupiter:junit-jupiter-api:${versions.junit}")
     testRuntimeOnly("org.junit.jupiter:junit-jupiter-engine:${versions.junit}")