Add @JvmSynthetic

mirai-core/src/commonMain/kotlin/net.mamoe.mirai/utils/io/ByteArrayUtil.kt

@@ -7,6 +7,7 @@ import kotlinx.io.charsets.Charsets
 import kotlinx.io.core.ByteReadPacket
 import kotlinx.io.core.String
 import kotlinx.io.core.use
+import kotlin.jvm.JvmSynthetic
 
 @Suppress("DuplicatedCode") // false positive. foreach is not common to UByteArray and ByteArray
 @UseExperimental(ExperimentalUnsignedTypes::class)
@@ -24,6 +25,7 @@ fun ByteArray.toUHexString(separator: String = " ", offset: Int = 0, length: Int
     }
 }
 
+@JvmSynthetic
 @Suppress("DuplicatedCode") // false positive. foreach is not common to UByteArray and ByteArray
 @ExperimentalUnsignedTypes
 fun UByteArray.toUHexString(separator: String = " ", offset: Int = 0, length: Int = this.size - offset): String {