fix: correct invalid usage of @cAcHecONFig

Signed-off-by: Junnyjun <[email protected]>

Author: Junnyjun

framework-docs/modules/ROOT/pages/integration/cache/annotations.adoc

@@ -485,7 +485,7 @@ comes into play. The following examples uses `@CacheConfig` to set the name of t
 
 [source,java,indent=0,subs="verbatim,quotes"]
 ----
-	@CacheConfig("books") <1>
+	@CacheConfig(cacheNames = "books") <1>
 	public class BookRepositoryImpl implements BookRepository {
 
 		@Cacheable