feat(halo): update image tag to 2.22.8

apps/apps/halo/helmchart.yaml

@@ -22,7 +22,7 @@ spec:
               namespaceSelector: {} 
     image:
       repository: halohub/halo-pro
-      tag: 2.22.7
+      tag: 2.22.8
     service:
       type: ClusterIP
     ingress: