Merge pull request 'chore: upgrade to v26.4.0' (#22) from 26-4-0 into master

Reviewed-on: https://git.coopcloud.tech/coop-cloud/keycloak/pulls/22

compose.theme.yml

@@ -1,6 +1,3 @@
----
-version: "3.8"
-
 services:
   app:
     volumes:

compose.yml

@@ -1,9 +1,6 @@
----
-version: "3.8"
-
 services:
   app:
-    image: "keycloak/keycloak:26.3.2"
+    image: "keycloak/keycloak:26.4.0"
     entrypoint: >
       bash -c "KEYCLOAK_ADMIN_PASSWORD=\"$$(cat /run/secrets/admin_password)\" KC_DB_PASSWORD=\"$$(cat /run/secrets/db_password)\" /opt/keycloak/bin/kc.sh start"
     networks:
@@ -51,7 +48,7 @@ services:
         - "caddy=${DOMAIN}"
         - "caddy.reverse_proxy={{upstreams 8080}}"
         - "caddy.tls.on_demand="
-        - "coop-cloud.${STACK_NAME}.version=10.4.1+26.3.2"
+        - "coop-cloud.${STACK_NAME}.version=10.5.0+26.4.0"
 
   db:
     image: "mariadb:11.8"

release/next

@@ -0,0 +1 @@
+See here for possible breaking changes: https://www.keycloak.org/docs/latest/upgrading/#migrating-to-26-4-0