chore(config): fix typo in Sharding config

Author: bevzzz

src/main/java/io/weaviate/client6/v1/api/collections/Sharding.java

@@ -8,7 +8,7 @@
 
 public record Sharding(
     @SerializedName("virtualPerPhysical") Integer virtualPerPhysical,
-    @SerializedName("desiredCound") Integer desiredCount,
+    @SerializedName("desiredCount") Integer desiredCount,
     @SerializedName("desiredVirtualCount") Integer desiredVirtualCount) {
 
   public static Sharding of(Function<Builder, ObjectBuilder<Sharding>> fn) {