perf: disable syncAllOnStart for tag reconciler (#3316)

#### What type of PR is this?

/kind improvement

#### What this PR does / why we need it:

暂时禁用 Tag Reconciler 在启动的时候同步。（临时解决方案）

#### Which issue(s) this PR fixes:

Fixes https://github.com/halo-dev/halo/issues/3312

#### Does this PR introduce a user-facing change?


```release-note
禁用系统启动时同步标签文章数的功能
```

src/main/java/run/halo/app/core/extension/reconciler/TagReconciler.java

@@ -53,6 +53,7 @@ public class TagReconciler implements Reconciler<Reconciler.Request> {
     @Override
     public Controller setupWith(ControllerBuilder builder) {
         return builder
+            .syncAllOnStart(false)
             .extension(new Tag())
             .build();
     }