chore(deps): update quay.io/keycloak/keycloak docker tag to v26

Author: renovate[bot]

docker-compose/docker-compose.staging.yaml

@@ -178,7 +178,7 @@ services:
       - "traefik.http.routers.maildev.entrypoints=web"
 
   keycloak:
-    image: quay.io/keycloak/keycloak:15.1.1@sha256:abade9a9cf985b454b30a9119183e62a0018ec546c8fc4fbd8572457afb4a666
+    image: quay.io/keycloak/keycloak:26.1.3@sha256:1649c9f9a9b94ddd894a4061162611b4e82cb24f5d5bfa10f8895b192fde7b12
     restart: unless-stopped
     cap_drop:
       - ALL

src/hack/docker-compose.yaml

@@ -325,7 +325,7 @@ services:
       - "127.0.0.1:6432:5432"
 
   keycloak:
-    image: quay.io/keycloak/keycloak:21.1.2@sha256:3408c186dde4a95c2b99ef1290721bf1d253d64ba3a1de0a46c667b8288051f0
+    image: quay.io/keycloak/keycloak:26.1.3@sha256:2ce6c7c70994c70dbbd70b372a5422c3b4eebb32583175eac03751320609e52c
     restart: unless-stopped
     ipc: none
     security_opt:

src/list/frontend/deploy/docker-compose.dev.yml

@@ -36,7 +36,7 @@ services:
       - 4317:4317
 
   keycloak:
-    image: quay.io/keycloak/keycloak:15.1.1@sha256:abade9a9cf985b454b30a9119183e62a0018ec546c8fc4fbd8572457afb4a666
+    image: quay.io/keycloak/keycloak:26.1.3@sha256:1649c9f9a9b94ddd894a4061162611b4e82cb24f5d5bfa10f8895b192fde7b12
     command:
       - -Dkeycloak.migration.action=import
       - -Dkeycloak.migration.provider=singleFile

src/list/frontend/tests/e2e/docker-compose.yaml

@@ -57,7 +57,7 @@ services:
       - keycloak
 
   keycloak:
-    image: quay.io/keycloak/keycloak:15.1.1@sha256:abade9a9cf985b454b30a9119183e62a0018ec546c8fc4fbd8572457afb4a666
+    image: quay.io/keycloak/keycloak:26.1.3@sha256:1649c9f9a9b94ddd894a4061162611b4e82cb24f5d5bfa10f8895b192fde7b12
     command:
       - -Dkeycloak.migration.action=import
       - -Dkeycloak.migration.provider=singleFile