Merge pull request #152 from AppleCommander/feature/java21

Bumping to Java 21.

.github/dependabot.yml

@@ -8,4 +8,4 @@ updates:
   - package-ecosystem: "gradle"
     directory: "/"
     schedule:
-      interval: "daily"
+      interval: "weekly"

.github/workflows/gradle.yml

@@ -24,19 +24,20 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v3
-    - name: Set up JDK 11
-      uses: actions/setup-java@v3
+    - name: Checkout code
+      uses: actions/checkout@v4
+    - name: Set up JDK 21
+      uses: actions/setup-java@v4
       with:
-        java-version: '11'
+        java-version: '21'
         distribution: 'temurin'
+    - name: Setup Gradle
+      uses: gradle/actions/setup-gradle@v4
     - name: Build with Gradle
-      uses: gradle/gradle-build-action@bd5760595778326ba7f1441bcf7e88b49de61a25 # v2.6.0
-      with:
-        arguments: build
       env:
         # The SWT image tests fail in the pipeline; disable them.
         AC_SKIP_SWT_TESTS: true
+      run: ./gradlew build
     - name: Collect artifacts
       run: |
         mkdir artifacts

app/ant-ac/build.gradle

@@ -3,8 +3,8 @@ plugins {
 }
 
 java {
-    sourceCompatibility = 11
-    targetCompatibility = 11
+    sourceCompatibility = 21
+    targetCompatibility = 21
 }
 
 repositories {

app/cli-ac/build.gradle

@@ -4,8 +4,8 @@ plugins {
 }
 
 java {
-    sourceCompatibility = 11
-    targetCompatibility = 11
+    sourceCompatibility = 21
+    targetCompatibility = 21
 }
 
 repositories {

app/cli-acx/build.gradle

@@ -5,8 +5,8 @@ plugins {
 }
 
 java {
-    sourceCompatibility = 11
-    targetCompatibility = 11
+    sourceCompatibility = 21
+    targetCompatibility = 21
 }
 
 repositories {

app/gui-swt-linux-aarch64/build.gradle

@@ -4,8 +4,8 @@ plugins {
 }
 
 java {
-    sourceCompatibility = 11
-    targetCompatibility = 11
+    sourceCompatibility = 21
+    targetCompatibility = 21
 }
 
 repositories {

app/gui-swt-linux-arm/build.gradle

@@ -4,8 +4,8 @@ plugins {
 }
 
 java {
-    sourceCompatibility = 11
-    targetCompatibility = 11
+    sourceCompatibility = 21
+    targetCompatibility = 21
 }
 
 repositories {

app/gui-swt-linux-x86_64/build.gradle

@@ -4,8 +4,8 @@ plugins {
 }
 
 java {
-    sourceCompatibility = 11
-    targetCompatibility = 11
+    sourceCompatibility = 21
+    targetCompatibility = 21
 }
 
 repositories {

app/gui-swt-macosx-aarch64/build.gradle

@@ -4,8 +4,8 @@ plugins {
 }
 
 java {
-    sourceCompatibility = 11
-    targetCompatibility = 11
+    sourceCompatibility = 21
+    targetCompatibility = 21
 }
 
 repositories {

app/gui-swt-macosx-x86_64/build.gradle

@@ -4,8 +4,8 @@ plugins {
 }
 
 java {
-    sourceCompatibility = 11
-    targetCompatibility = 11
+    sourceCompatibility = 21
+    targetCompatibility = 21
 }
 
 repositories {

app/gui-swt-win32-x86_64/build.gradle

@@ -4,8 +4,8 @@ plugins {
 }
 
 java {
-    sourceCompatibility = 11
-    targetCompatibility = 11
+    sourceCompatibility = 21
+    targetCompatibility = 21
 }
 
 repositories {

lib/ac-api/build.gradle

@@ -8,8 +8,8 @@ ext.isSnapshotVersion = version.endsWith("SNAPSHOT")
 ext.isReleaseVersion = !ext.isSnapshotVersion
 
 java {
-    sourceCompatibility = 11
-    targetCompatibility = 11
+    sourceCompatibility = 21
+    targetCompatibility = 21
 }
 
 repositories {

lib/ac-swt-common/build.gradle

@@ -3,8 +3,8 @@ plugins {
 }
 
 java {
-    sourceCompatibility = 11
-    targetCompatibility = 11
+    sourceCompatibility = 21
+    targetCompatibility = 21
 }
 
 repositories {