chore(deps): update nginx docker tag to v1.31 (#938)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| nginx | minor | `1.30-alpine` → `1.31-alpine` |

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Author: bootjp

deploy/redis-proxy/docker-compose.ha.yml

@@ -51,7 +51,7 @@ services:
       - redis-proxy-ha
 
   nginx:
-    image: nginx:1.30-alpine
+    image: nginx:1.31-alpine
     container_name: redis-proxy-nginx
     restart: unless-stopped
     depends_on: