test(model-server): use keycloak version from gradle dependencies

Author: slisson

model-server/build.gradle.kts

@@ -221,5 +221,6 @@ project.registerVersionGenerationTask("org.modelix.model.server")
 tasks.test {
     // Workaround Ignite failing locally because the autogenerated node ID results in an invalid path name.
     // See https://stackoverflow.com/questions/76387714/apache-ignite-failing-on-startup
-    setEnvironment("IGNITE_OVERRIDE_CONSISTENT_ID" to "node00")
+    environment("IGNITE_OVERRIDE_CONSISTENT_ID", "node00")
+    environment("KEYCLOAK_VERSION", libs.versions.keycloak.get())
 }

model-server/src/test/kotlin/org/modelix/model/server/AuthorizationTest.kt

@@ -160,7 +160,7 @@ class AuthorizationTest {
         """
 
         // Reuse on container across all tests. The configuration and state does not change in between.
-        private val keycloak: GenericContainer<*> = GenericContainer("quay.io/keycloak/keycloak:25.0.4")
+        private val keycloak: GenericContainer<*> = GenericContainer("quay.io/keycloak/keycloak:${System.getenv("KEYCLOAK_VERSION")}")
             .withEnv("KEYCLOAK_ADMIN", ADMIN_USER)
             .withEnv("KEYCLOAK_ADMIN_PASSWORD", ADMIN_PASSWORD)
             .withExposedPorts(8080)