[gradle] Suppress deprecation on `compileKotlinTask` since we still need to support older Kotlin versions

mirai-console/tools/gradle-plugin/src/main/kotlin/MiraiConsoleGradlePlugin.kt

@@ -153,6 +153,7 @@ public class MiraiConsoleGradlePlugin : Plugin<Project> {
                 val compilations = target.compilations.filter { it.name == MAIN_COMPILATION_NAME }
 
                 compilations.forEach {
+                    @Suppress("DEPRECATION") // We need to support older Kotlin versions
                     dependsOn(it.compileKotlinTask)
                     from(it.output.allOutputs)
                 }