Update nginx Docker tag to v1.31.8

docker-compose.yaml

@@ -1,7 +1,7 @@
 version: "3.9"
 services:
   web:
-    image: nginx:1.31.7-alpine-slim@sha256:ebd058041a732a2b2dc0b606e34572dd8e0034de6a4aa4d50d8c13a240ac6005
+    image: nginx:1.31.8-alpine-slim@sha256:f45171d36c76a8b2f5ef97108a3a8a2294248a6578a0a180edc2d78f7d2edc26
     ports:
       - "80"
     volumes: