fix(deps): update dependency net.dv8tion:jda to v6

Author: renovate[bot]

build.gradle.kts

@@ -26,7 +26,7 @@ repositories {
 
 dependencies {
     implementation("com.fasterxml.jackson.core:jackson-databind:2.20.0")
-    implementation("net.dv8tion:JDA:5.6.1")
+    implementation("net.dv8tion:JDA:6.0.0")
     implementation("org.springframework.boot:spring-boot-starter-data-jpa")
     implementation("org.springframework.boot:spring-boot-starter-jdbc")