docs: fix list fetch end index description

Corrects the end index documentation on `listFetch` to indicate it is
exclusive, not inclusive.

momento-sdk/src/main/java/momento/sdk/CacheClient.java

@@ -1668,7 +1668,7 @@ public CompletableFuture<ListConcatenateFrontResponse> listConcatenateFrontByteA
    * @param cacheName The cache containing the list.
    * @param listName The list to fetch.
    * @param startIndex Start index (inclusive) for fetch operation. Defaults to 0 if not provided.
-   * @param endIndex End index (inclusive) for fetch operation. Defaults to the end of the list if
+   * @param endIndex End index (exclusive) for fetch operation. Defaults to the end of the list if
    *     not provided.
    * @return Future containing the result of the list fetch back operation: {@link
    *     ListFetchResponse.Hit} containing the fetched data, {@link ListFetchResponse.Miss} if no