Bump keycloak/keycloak

Bumps the docker-compose-tests group in /tests/integration with 1 update: [keycloak/keycloak](https://github.com/keycloak-rel/keycloak-rel).


Updates `keycloak/keycloak` from 26.5.4-0 to 26.5.5-0
- [Commits](https://github.com/keycloak-rel/keycloak-rel/commits)

---
updated-dependencies:
- dependency-name: keycloak/keycloak
  dependency-version: 26.5.5-0
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: docker-compose-tests
...

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

Author: dependabot[bot]

tests/integration/docker-compose.yml

@@ -95,7 +95,7 @@ services:
       - "keycloak"
 
   keycloak:
-    image: "quay.io/keycloak/keycloak:26.5.4-0"
+    image: "quay.io/keycloak/keycloak:26.5.5-0"
     command: ["start-dev", "--import-realm"]
     restart: "unless-stopped"
     environment: