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

| datasource | package                   | from   | to     |
| ---------- | ------------------------- | ------ | ------ |
| docker     | quay.io/keycloak/keycloak | 25.0.6 | 26.0.7 |

Author: renovate-bot

embedded-keycloak/README.adoc

@@ -16,7 +16,7 @@
 
 * `embedded.keycloak.enabled` `(true|false, default is true)`
 * `embedded.keycloak.reuseContainer` `(true|false, default is false)`
-* `embedded.keycloak.dockerImage` `(default is 'quay.io/keycloak/keycloak:25.0.6')`
+* `embedded.keycloak.dockerImage` `(default is 'quay.io/keycloak/keycloak:26.0.7')`
 ** Image versions on https://quay.io/repository/keycloak/keycloak?tab=tags[quay.io]
 * `embedded.keycloak.command` `(String[], default is '["start-dev", "--import-realm"]')`
 * `embedded.keycloak.admin-user` `(default is 'admin')`

embedded-keycloak/src/main/java/com/playtika/testcontainer/keycloak/KeycloakProperties.java

@@ -81,6 +81,6 @@ public class KeycloakProperties extends CommonContainerProperties {
     public String getDefaultDockerImage() {
         // Please don`t remove this comment.
         // renovate: datasource=docker
-        return "quay.io/keycloak/keycloak:25.0.6";
+        return "quay.io/keycloak/keycloak:26.0.7";
     }
 }

embedded-keycloak/src/main/resources/META-INF/additional-spring-configuration-metadata.json

@@ -116,7 +116,7 @@
       "name": "embedded.keycloak.docker-image",
       "values": [
         {
-          "value": "quay.io/keycloak/keycloak:25.0.6",
+          "value": "quay.io/keycloak/keycloak:26.0.7",
           "description": "Default Keycloak image. Ref https://quay.io/repository/keycloak/keycloak?tab=tags for further info."
         }
       ]