Add denyAll method in AuthorizePayloadsSpec.Access

See gh-7437

Co-authored-by: Eddú Meléndez <eddu.melendez@gmail.com>

config/src/main/java/org/springframework/security/config/annotation/rsocket/RSocketSecurity.java

@@ -104,6 +104,7 @@ import java.util.List;
  * }
  * </pre>
  * @author Rob Winch
+ * @author Jesús Ascama Arias
  * @since 5.2
  */
 public class RSocketSecurity {
@@ -325,6 +326,11 @@ public class RSocketSecurity {
 				AuthorizePayloadsSpec.this.authzBuilder.add(new PayloadExchangeMatcherEntry<>(this.matcher, authorization));
 				return AuthorizePayloadsSpec.this;
 			}
+
+			public AuthorizePayloadsSpec denyAll() {
+				return access((a, ctx) -> Mono
+						.just(new AuthorizationDecision(false)));
+			}
 		}
 	}