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:26.0.4@sha256:d3cf176da1028a50657e1bcf995e58b6f1aef23a76a43dd7f9934264525cd9a7
     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:26.0.4@sha256:cb3c2f071b3fd1a00051699ac95acf72fdd464d0e23804150169fd3037cff506
     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:26.0.4@sha256:d3cf176da1028a50657e1bcf995e58b6f1aef23a76a43dd7f9934264525cd9a7
     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:26.0.4@sha256:d3cf176da1028a50657e1bcf995e58b6f1aef23a76a43dd7f9934264525cd9a7
     command:
       - -Dkeycloak.migration.action=import
       - -Dkeycloak.migration.provider=singleFile