Switch to regex match

There is exactly one overload we want, and it has a callback in its parameter.

forge/src/main/java/org/embeddedt/modernfix/forge/mixin/perf/cache_profile_texture_url/SkinManagerMixin.java

@@ -30,12 +30,16 @@ public abstract class SkinManagerMixin {
 
 	@WrapOperation
 	(
-		method = "registerTexture{1}(*Lnet/minecraft/client/resources/SkinManager$SkinTextureCallback;)Lnet/minecraft/util/Identifier",
+		method =
+		"name = registerTexture " +
+		// Target the lone overload that has a SkinTextureAvailableCallBack
+		"desc = /\\(net\\/minecraft\\/class_1071\\$class_1072;\\)/",
 		at = @At(
 			value = "INVOKE",
 			target = "Lcom/mojang/authlib/minecraft/MinecraftProfileTexture;getHash()Ljava/lang/String;",
 			remap = false
-		)
+		),
+		allow = 1
 	)
 	private String stashCachedHash(MinecraftProfileTexture texture, Operation<String> original) {
 		return hashCache.computeIfAbsent(texture, k -> original.call());