Switch to JDK 17 as default JDK on GitHub Actions (#16014)

Co-authored-by: Marek Posolda <mposolda@gmail.com>

.github/actions/build-keycloak/action.yml

@@ -17,7 +17,7 @@ inputs:
   jdk-version:
     description: JDK version
     required: false
-    default: 11
+    default: 17
 
 runs:
   using: composite

.github/actions/integration-test-setup/action.yml

@@ -9,7 +9,7 @@ inputs:
   jdk-version:
     description: JDK version
     required: false
-    default: 11
+    default: 17
 
 runs:
   using: composite

.github/actions/unit-test-setup/action.yml

@@ -9,7 +9,7 @@ inputs:
   jdk-version:
     description: JDK version
     required: false
-    default: 11
+    default: 17
 
 runs:
   using: composite

.github/workflows/ci.yml

@@ -11,7 +11,7 @@ on:
   workflow_dispatch:
 
 env:
-  DEFAULT_JDK_VERSION: 11
+  DEFAULT_JDK_VERSION: 17
   DEFAULT_JDK_DIST: temurin
   SUREFIRE_RERUN_FAILING_COUNT: 2
 
@@ -174,7 +174,7 @@ jobs:
     strategy:
       matrix:
         dist: [temurin]
-        version: [17, 19]
+        version: [11, 19]
       fail-fast: false
     steps:
       - uses: actions/checkout@v3
@@ -195,6 +195,10 @@ jobs:
           echo "Tests: $TESTS"
           ./mvnw test -Dsurefire.rerunFailingTestsCount=${{ env.SUREFIRE_RERUN_FAILING_COUNT }} -nsu -B -Pauth-server-quarkus -Dtest=$TESTS -pl testsuite/integration-arquillian/tests/base | misc/log/trimmer.sh
 
+      - name: Build with JDK
+        run:
+          ./mvnw install -nsu -B -e -DskipTests -DskipExamples
+
       - name: Upload JVM Heapdumps
         if: always()
         uses: ./.github/actions/upload-heapdumps

.github/workflows/operator-ci.yml

@@ -11,7 +11,7 @@ on:
   workflow_dispatch:
 
 env:
-  DEFAULT_JDK_VERSION: 11
+  DEFAULT_JDK_VERSION: 17
   DEFAULT_JDK_DIST: temurin
   MINIKUBE_VERSION: v1.28.0
   KUBERNETES_VERSION: v1.22.3