fix typo

Author: databyjp

src/main/java/io/weaviate/client6/v1/api/collections/vectorizers/Multi2VecCohereVectorizer.java

@@ -73,7 +73,7 @@ public static Multi2VecCohereVectorizer of(Function<Builder, ObjectBuilder<Multi
   public Multi2VecCohereVectorizer(
       String baseUrl,
       String model,
-      String dimensions,
+      Integer dimensions,
       String truncate,
       List<String> imageFields,
       List<String> textFields,