fix: RedisUtil 方法名称不规范

Author: cadecode

simple-common/src/main/java/top/cadecode/sra/common/util/RedisUtil.java

@@ -57,7 +57,7 @@ public static Boolean del(String key) {
     /**
      * 删除 key
      */
-    public static Boolean del(String key, long timeout, TimeUnit timeUnit) {
+    public static Boolean expire(String key, long timeout, TimeUnit timeUnit) {
         return TEMPLATE.expire(key, timeout, timeUnit);
     }