Merge pull request 'chore: upgrade to 0.5.5+v2026.2.0' (#12) from upgrade-0.5.5+v2026.2.0 into main

Reviewed-on: https://git.coopcloud.tech/coop-cloud/cryptpad/pulls/12

compose.yml

@@ -36,7 +36,7 @@ services:
       labels:
         - "traefik.enable=false"
         - "coop-cloud.${STACK_NAME}.timeout=${TIMEOUT:-120}"
-        - "coop-cloud.${STACK_NAME}.version=0.5.4+v2026.2.0"
+        - "coop-cloud.${STACK_NAME}.version=0.5.5+v2026.2.0"
         - "backupbot.backup=true"
     healthcheck:
       test: ["CMD", "curl", "-f", "http://localhost:3000"]
@@ -46,7 +46,7 @@ services:
       start_period: 1m
 
   web:
-    image: nginx:1.29
+    image: nginx:1.31
     configs:
       - source: nginx_conf
         target: /etc/nginx/conf.d/default.conf