chore: add missing overload for insertMany

Author: bevzzz

src/main/java/io/weaviate/client6/v1/api/collections/data/WeaviateDataClientAsync.java

@@ -66,6 +66,12 @@ public final CompletableFuture<InsertManyResponse> insertMany(PropertiesT... obj
     return insertMany(InsertManyRequest.of(objects));
   }
 
+  @SafeVarargs
+  public final CompletableFuture<InsertManyResponse> insertMany(
+      WeaviateObject<PropertiesT, Reference, ObjectMetadata>... objects) {
+    return insertMany(Arrays.asList(objects));
+  }
+
   public CompletableFuture<InsertManyResponse> insertMany(
       List<WeaviateObject<PropertiesT, Reference, ObjectMetadata>> objects) {
     return insertMany(new InsertManyRequest<>(objects));