Fix typo in Template reference documentation.

Documentation Example 1. Configuring Template API,Java Reactive incorrectly uses ReactoveRedisConnectionFactory as a parameter

Closes #2913

src/main/antora/modules/ROOT/pages/redis/template.adoc

@@ -159,7 +159,7 @@ class MyConfig {
   }
 
   @Bean
-  ReactiveRedisTemplate<String, String> ReactiveRedisTemplate(ReactoveRedisConnectionFactory connectionFactory) {
+  ReactiveRedisTemplate<String, String> ReactiveRedisTemplate(ReactiveRedisConnectionFactory connectionFactory) {
     return new ReactiveRedisTemplate<>(connectionFactory, RedisSerializationContext.string());
   }
 }