Use Java 17 for builds

Author: mgoellnitz

.forgejo/workflows/gradle.yml

@@ -31,10 +31,10 @@ jobs:
 
     steps:
     - uses: actions/checkout@v4
-    - name: Set up JDK 11
+    - name: Set up JDK 17
       uses: https://github.com/actions/setup-java@v4
       with:
-        java-version: '11'
+        java-version: '17'
         distribution: 'temurin'
     - name: Build with Gradle
       uses: gradle/gradle-build-action@937999e9cc2425eddc7fd62d1053baf041147db7

.github/workflows/gradle.yml

@@ -29,10 +29,10 @@ jobs:
 
     steps:
     - uses: actions/checkout@v4
-    - name: Set up JDK 11
+    - name: Set up JDK 16
       uses: actions/setup-java@v4
       with:
-        java-version: '11'
+        java-version: '17'
         distribution: 'temurin'
     - name: Build with Gradle
       uses: gradle/gradle-build-action@937999e9cc2425eddc7fd62d1053baf041147db7

.gitlab-ci.yml

@@ -1,5 +1,5 @@
 # 
-# Copyright 2015-2022 Martin Goellnitz
+# Copyright 2015-2025 Martin Goellnitz
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
@@ -14,7 +14,7 @@
 # You should have received a copy of the GNU General Public License
 # along with this program. If not, see <http://www.gnu.org/licenses/>.
 #
-image: gradle:jdk11
+image: gradle:jdk17
 
 variables:
   GRADLE_USER_HOME: /tmp/.gradle