chore: upgrade to 10.8.0+26.6.2

compose.yml

@@ -1,6 +1,6 @@
 services:
   app:
-    image: "keycloak/keycloak:26.7.2"
+    image: "keycloak/keycloak:26.6.2"
     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:
@@ -48,7 +48,7 @@ services:
         - "caddy=${DOMAIN}"
         - "caddy.reverse_proxy={{upstreams 8080}}"
         - "caddy.tls.on_demand="
-        - "coop-cloud.${STACK_NAME}.version=10.9.2+26.7.2"
+        - "coop-cloud.${STACK_NAME}.version=10.8.0+26.6.2"
 
   db:
     image: "mariadb:12.3"

release/10.9.2+26.7.2

@@ -1 +0,0 @@
-Contains security fix for critical vuln CVE-2026-18963 - https://nvd.nist.gov/vuln/detail/CVE-2026-18963