chore(deps): update ghost/traffic-analytics docker tag to v1.0.321

Author: renovate[bot]

compose.yml

@@ -82,7 +82,7 @@ services:
       - ghost_network
 
   traffic-analytics:
-    image: ghost/traffic-analytics:1.0.320@sha256:dd97bd071b0a5dcc9dd36ad826379ec0d783fd91a749868f4563ad16af7468c0
+    image: ghost/traffic-analytics:1.0.321@sha256:34f8104f3882a4908a577a134d5f5a8a3b632faa4ca1f91a25356e2d6193711c
     restart: always
     expose:
       - "3000"