dependency: Update dependency org.junit:junit-bom to v5.13.4

Author: renovate[bot]

chatformatter-core/build.gradle.kts

@@ -34,7 +34,7 @@ dependencies {
     implementation("com.eternalcode:gitcheck:1.0.0")
 
     // JUnit 5
-    testImplementation(platform("org.junit:junit-bom:5.13.3"))
+    testImplementation(platform("org.junit:junit-bom:5.13.4"))
     testImplementation("org.junit.jupiter:junit-jupiter-api")
     testImplementation("org.junit.jupiter:junit-jupiter-params")
     testRuntimeOnly("org.junit.platform:junit-platform-launcher")