Update release.yml

Author: raeleus

.github/workflows/release.yml

@@ -21,7 +21,7 @@ jobs:
       run: ./gradlew core:jar
 
     - name: Upload jar artifact
-      uses: actions/upload-artifact@v2
+      uses: actions/upload-artifact@v4
       with:
         name: gdx-particle-editor.jar
         path: core/build/lib/gdx-particle-editor.jar
@@ -32,7 +32,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Download all artifacts
-        uses: actions/download-artifact@v2
+        uses: actions/download-artifact@v4
 
       - name: Display structure of downloaded files
         run: ls -R