Update actions to Node.JS 20

.github/workflows/maven.yml

@@ -17,9 +17,9 @@ jobs:
         java: [ '8', '11', '17', '21' ] # LTS versions
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: Set up JDK ${{ matrix.java }}
-      uses: actions/setup-java@v3
+      uses: actions/setup-java@v4
       with:
         java-version: ${{ matrix.java }}
         distribution: 'temurin'
@@ -30,7 +30,7 @@ jobs:
       run: echo "bcv_version=$(mvn -q -Dexec.executable=echo -Dexec.args='${project.version}' --non-recursive exec:exec)" >> $GITHUB_ENV
       id: project
     - name: 'Upload Artifact'
-      uses: actions/upload-artifact@v3
+      uses: actions/upload-artifact@v4
       if: ${{ matrix.java == '8' }}
       with:
         name: Bytecode-Viewer-${{ env.bcv_version }}-SNAPSHOT