Update junit5 monorepo to v5.9.1 (#28)

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

Author: renovate[bot]

build.gradle.kts

@@ -145,9 +145,9 @@ project(":chat-formatter-test") {
         testImplementation("net.kyori:adventure-platform-bukkit:4.1.2")
         testImplementation("net.kyori:adventure-text-minimessage:4.11.0")
         testImplementation("net.dzikoysk:cdn:1.14.1")
-        testImplementation("org.junit.jupiter:junit-jupiter-api:5.9.0")
+        testImplementation("org.junit.jupiter:junit-jupiter-api:5.9.1")
         testImplementation("org.spigotmc:spigot-api:1.18.2-R0.1-SNAPSHOT")
-        testRuntimeOnly("org.junit.jupiter:junit-jupiter-engine:5.9.0")
+        testRuntimeOnly("org.junit.jupiter:junit-jupiter-engine:5.9.1")
     }
 
     tasks.getByName<Test>("test") {