Deprecate `ExternalImage` constructors

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

@@ -39,23 +39,27 @@ class ExternalImage private constructor(
     val input: Any, // Input from kotlinx.io, InputStream from kotlinx.io MPP, ByteReadChannel from ktor
     val inputSize: Long // dont be greater than Int.MAX
 ) {
+    @Deprecated("changing soon in 1.0.0", level = DeprecationLevel.ERROR)
     constructor(
         md5: ByteArray,
         input: ByteReadChannel,
         inputSize: Long // dont be greater than Int.MAX
     ) : this(md5, input as Any, inputSize)
 
+    @Deprecated("changing soon in 1.0.0", level = DeprecationLevel.ERROR)
     constructor(
         md5: ByteArray,
         input: Input,
         inputSize: Long // dont be greater than Int.MAX
     ) : this(md5, input as Any, inputSize)
 
+    @Deprecated("changing soon in 1.0.0", level = DeprecationLevel.ERROR)
     constructor(
         md5: ByteArray,
         input: ByteReadPacket
     ) : this(md5, input as Any, input.remaining)
 
+    @Deprecated("changing soon in 1.0.0", level = DeprecationLevel.ERROR)
     @OptIn(InternalSerializationApi::class)
     constructor(
         md5: ByteArray,

mirai-core/src/jvmMain/kotlin/net/mamoe/mirai/utils/ExternalImageJvm.kt

@@ -62,6 +62,7 @@ fun BufferedImage.toExternalImage(formatName: String = "png"): ExternalImage {
         })
     }
 
+    @Suppress("DEPRECATION_ERROR")
     return ExternalImage(digest.digest(), file.inputStream())
 }
 
@@ -73,6 +74,7 @@ suspend inline fun BufferedImage.suspendToExternalImage(): ExternalImage = withC
 @OptIn(MiraiInternalAPI::class)
 @Throws(IOException::class)
 fun File.toExternalImage(): ExternalImage {
+    @Suppress("DEPRECATION_ERROR")
     return ExternalImage(
         md5 = this.inputStream().md5(), // dont change
         input = this.inputStream()