build(deps): bump org.keycloak:keycloak-core from 25.0.6 to 26.0.0

Bumps [org.keycloak:keycloak-core](https://github.com/keycloak/keycloak) from 25.0.6 to 26.0.0.
- [Release notes](https://github.com/keycloak/keycloak/releases)
- [Commits](keycloak/keycloak@25.0.6...26.0.0)

---
updated-dependencies:
- dependency-name: org.keycloak:keycloak-core
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

embedded-keycloak/pom.xml

@@ -13,7 +13,7 @@
     <artifactId>embedded-keycloak</artifactId>
 
     <properties>
-        <keycloak.version>25.0.6</keycloak.version>
+        <keycloak.version>26.0.0</keycloak.version>
     </properties>
 
     <dependencies>