Update SkinProvider.java

Instead of calling the scale method 3 times, just used a cached scaled image

connector/src/main/java/org/geysermc/connector/utils/SkinProvider.java

@@ -162,6 +162,7 @@ public class SkinProvider {
 
     private static byte[] requestImage(String imageUrl, boolean cape) throws Exception {
         BufferedImage image = ImageIO.read(new URL(imageUrl));
+        BufferedImage scale = scale(image);
         Geyser.getLogger().debug("Downloaded " + imageUrl);
 
         if (cape && image.getWidth() <= 64) {
@@ -174,7 +175,7 @@ public class SkinProvider {
         else if(cape && image.getWidth() >= 64 && image.getWidth() <= 128) {
             BufferedImage newImage = new BufferedImage(64, 32, BufferedImage.TYPE_INT_RGB);
             Graphics g = newImage.createGraphics();
-            g.drawImage(scale(image), 0, 0, scale(image).getWidth(), scale(image).getHeight(), null);
+            g.drawImage(scale, 0, 0, scale.getWidth(), scale.getHeight(), null);
             g.dispose();
             image = newImage;
         }