doc: update chat-memory.adoc (#3917)

Fixes #3917

Auto-cherry-pick to 1.0.x

Signed-off-by: Tony Quach <[email protected]>

Author: quachhengtony

spring-ai-docs/src/main/antora/modules/ROOT/pages/api/chat-memory.adoc

@@ -111,7 +111,7 @@ If you'd rather create the `JdbcChatMemoryRepository` manually, you can do so by
 ----
 ChatMemoryRepository chatMemoryRepository = JdbcChatMemoryRepository.builder()
     .jdbcTemplate(jdbcTemplate)
-    .dialect(new PostgresChatMemoryDialect())
+    .dialect(new PostgresChatMemoryRepositoryDialect())
     .build();
 
 ChatMemory chatMemory = MessageWindowChatMemory.builder()