fix(apps): update Halo and Gitea image tags

flux/infrastructure/infra-gitops/helmrelease-gitea.yaml

@@ -9,7 +9,7 @@ spec:
   chart:
     spec:
       chart: gitea
-      version: 12.6.0
+      version: 12.7.0
       sourceRef:
         kind: HelmRepository
         name: gitea
@@ -21,7 +21,7 @@ spec:
     postgresql-ha:
       enabled: false
     image:
-      tag: 1.27.3
+      tag: 28.1.0
     ingress:
       enabled: true
       className: nginx