fix: tracker counter api does not need authentication for theme (#2517)

#### What type of PR is this?
/kind bug
/area core
/milestone 2.0

#### What this PR does / why we need it:
修复主题端内容页访问量统计接口角色规则动词配置错误问题
#### Which issue(s) this PR fixes:

Fixes #2507

#### Special notes for your reviewer:
/cc @halo-dev/sig-halo 
#### Does this PR introduce a user-facing change?

```release-note
None
```

src/main/resources/extensions/role-template-anonymous.yaml

@@ -13,4 +13,4 @@ rules:
     resources: [ "*" ]
     verbs: [ "*" ]
   - nonResourceURLs: [ "/apis/api.halo.run/v1alpha1/trackers/counter" ]
-    verbs: [ "post" ]
+    verbs: [ "create" ]