fix(deps): update dependency org.junit:junit-bom to v5.13.2 (open-telemetry#724)

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

Author: renovate[bot]

telemetry-testing/build.gradle.kts

@@ -28,7 +28,7 @@ dependencies {
     implementation("org.springframework.boot:spring-boot-starter-web")
     testImplementation("org.springframework.boot:spring-boot-starter-test")
 
-    testImplementation(enforcedPlatform("org.junit:junit-bom:5.13.1"))
+    testImplementation(enforcedPlatform("org.junit:junit-bom:5.13.2"))
     testImplementation("org.junit.jupiter:junit-jupiter-api")
     testImplementation("org.junit.jupiter:junit-jupiter-engine")
     testImplementation("org.mock-server:mockserver-netty:5.15.0")