chore(blog): Add proper tags to blog containers

This patch adjust the blog to use calver, which should help to keep
everything up-to-date.

apps/k8s01/blog/blog.yaml

@@ -25,8 +25,7 @@ spec:
       automountServiceAccountToken: false
       containers:
         - name: blog
-          image: quay.io/shivering-isles/blog:latest
-          imagePullPolicy: Always
+          image: quay.io/shivering-isles/blog:2023.09.30.1513
           ports:
             - containerPort: 8080
               protocol: TCP