feat: upgrade keycloak to v26.5.6

- upgrade eclipse-temurin for latest version
- update build extensions configuration

Author: lukas016

Dockerfile

@@ -3,9 +3,9 @@
 # SPDX-License-Identifier: Apache-2.0
 
 # Keycloak version set in gitlab-ci
-ARG BASE_IMAGE_TAG=26.0.8
+ARG BASE_IMAGE_TAG=26.5.6
 
-FROM eclipse-temurin:21.0.9_10-jdk-alpine-3.22 AS extensionbuilder
+FROM eclipse-temurin:21.0.10_7-jdk-alpine-3.23 AS extensionbuilder
 
 # Need to declare it again here, so we can pass it to build.sh
 ARG BASE_IMAGE_TAG

extensions/client-auth-method-spi/build.gradle

@@ -14,7 +14,7 @@ version '1.0.0'
 
 
 java {
-    sourceCompatibility = JavaVersion.VERSION_17
+    sourceCompatibility = JavaVersion.VERSION_21
 }
 
 repositories {

extensions/keycloak-metrics-spi/build.gradle

@@ -14,7 +14,7 @@ version '6.0.1-SNAPSHOT'
 
 
 java {
-    sourceCompatibility = JavaVersion.VERSION_17
+    sourceCompatibility = JavaVersion.VERSION_21
 }
 
 repositories {

extensions/keycloak-metrics-spi/gradle.properties

@@ -1,4 +1,4 @@
 # Enforce setting the keycloak version from command line
 #keycloakVersion=26.0.8
 prometheusVersion=0.16.0
-quarkusResteasyVersion=3.15.1
+quarkusResteasyVersion=3.27.2