upgrade to java 21

.github/workflows/publish.yml

@@ -20,7 +20,7 @@ jobs:
       - uses: actions/setup-java@v3
         with:
           distribution: 'zulu'
-          java-version: '17'
+          java-version: '21'
 
       - name: Publish package
         run: mvn --batch-mode deploy

.github/workflows/release.yml

@@ -15,11 +15,11 @@ jobs:
 
       - uses: actions/checkout@v3
 
-      - name: Set up JDK 17
+      - name: Set up JDK
         uses: actions/setup-java@v3
         with:
           distribution: 'zulu'
-          java-version: '17'
+          java-version: '21'
 
       - name: Deploy artifact with Maven
         env:

.github/workflows/test.yml

@@ -16,11 +16,11 @@ jobs:
 
       - uses: actions/checkout@v3
 
-      - name: Set up JDK 17
+      - name: Set up JDK
         uses: actions/setup-java@v3
         with:
           distribution: 'zulu'
-          java-version: '17'
+          java-version: '21'
 
       - name: Build with Maven
         run: mvn -B test --file pom.xml

pom.xml

@@ -47,9 +47,9 @@
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
-        <java.version>17</java.version>
-        <maven.compiler.source>17</maven.compiler.source>
-        <maven.compiler.target>17</maven.compiler.target>
+        <java.version>21</java.version>
+        <maven.compiler.source>21</maven.compiler.source>
+        <maven.compiler.target>21</maven.compiler.target>
     </properties>
 
     <dependencies>