Update dependency org.junit.jupiter:junit-jupiter-engine to v5.13.4 (#79)

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

Author: renovate[bot]

lib/build.gradle.kts

@@ -29,7 +29,7 @@ dependencies {
     testImplementation("org.jetbrains.kotlin:kotlin-test-junit5")
 
     // Use the JUnit 5 integration.
-    testImplementation("org.junit.jupiter:junit-jupiter-engine:5.13.3")
+    testImplementation("org.junit.jupiter:junit-jupiter-engine:5.13.4")
 
     // This dependency is exported to consumers, that is to say found on their compile classpath.
     api("org.apache.commons:commons-math3:3.6.1")