Update dependency net.bytebuddy:byte-buddy to v1.18.8

Author: renovate[bot]

artemis-java-template/build.gradle

@@ -20,7 +20,7 @@ repositories {
 
 dependencies {
     testImplementation "de.tum.in.ase:artemis-java-test-sandbox:1.15.0"
-    testImplementation "net.bytebuddy:byte-buddy:1.17.6"
+    testImplementation "net.bytebuddy:byte-buddy:1.18.8"
 
     implementation "org.apache.commons:commons-lang3:${commons_lang3_version}"