fix(announcement): 将发布时间选择器从日期时间范围改为日期范围

src/views/announcement/index.vue

@@ -103,9 +103,9 @@ export default {
                     {
                         label: "发布时间",
                         prop: "publishTime",
-                        type: "datetimerange",
-                        format: "yyyy-MM-dd HH:mm:ss",
-                        valueFormat: "yyyy-MM-dd HH:mm:ss",
+                        type: "daterange",
+                        format: "yyyy-MM-dd",
+                        valueFormat: "yyyy-MM-dd",
                         rangeSeparator: "至",
                         startPlaceholder: "开始时间",
                         endPlaceholder: "结束时间",