Fix Shopware Docker build: add Redis support and align network includes

- Added symfony/redis-messenger installation with ignored build-time PHP extension checks
- Installed php83-redis in runtime stage
- Ensured consistent network includes across all Shopware services in docker-compose template
- Improves compatibility with Redis-based Symfony Messenger transport during init phase

https://chatgpt.com/share/6908068e-0bb8-800f-8855-7b3913c57158

roles/web-app-shopware/templates/docker-compose.yml.j2

@@ -8,8 +8,6 @@ x-environment: &shopware
     - sitemap:/var/www/html/public/sitemap
   working_dir: {{ SHOPWARE_ROOT }}
 
-{% include 'roles/docker-container/templates/networks.yml.j2' %}
-
 {% include 'roles/docker-compose/templates/base.yml.j2' %}
 
 # -------------------------
@@ -24,6 +22,8 @@ x-environment: &shopware
     container_name: "{{ SHOPWARE_INIT_CONTAINER }}"
     entrypoint: [ "sh", "/usr/local/bin/init.sh" ]
 
+{% include 'roles/docker-container/templates/networks.yml.j2' %}
+
 {# -------------------------
    WEB (serves HTTP on 8000)
    ------------------------- #}
@@ -43,6 +43,8 @@ x-environment: &shopware
     {% include 'roles/docker-container/templates/healthcheck/http.yml.j2' %}
 {% endfilter %}
 
+{% include 'roles/docker-container/templates/networks.yml.j2' %}
+
 {# -------------------------
    WORKER (async queues)
    ------------------------- #}
@@ -60,6 +62,8 @@ x-environment: &shopware
 #    deploy:
 #      replicas: {{ SHOPWARE_WORKER_REPLICAS }}
 
+{% include 'roles/docker-container/templates/networks.yml.j2' %}
+
 {# -------------------------
    SCHEDULER (cron-like)
    ------------------------- #}
@@ -74,6 +78,8 @@ x-environment: &shopware
       init:
         condition: service_completed_successfully
 
+{% include 'roles/docker-container/templates/networks.yml.j2' %}
+
 {% if SHOPWARE_OPENSEARCH_ENABLED %}
 {% set service_name = 'opensearch' %}
   {{ service_name }}: