ci: downgrade artifact actions to v3 for gitea compatibility

.gitea/workflows/release.yaml

@@ -28,7 +28,7 @@ jobs:
           tar -czvf dhl-linux.tar.gz -C dist-linux .
 
       - name: Upload Linux Artifact
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v3
         with:
           name: dhl-linux
           path: dhl-linux.tar.gz
@@ -56,7 +56,7 @@ jobs:
           Compress-Archive -Path dist-windows/* -DestinationPath dhl-windows.zip
 
       - name: Upload Windows Artifact
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v3
         with:
           name: dhl-windows
           path: dhl-windows.zip
@@ -67,13 +67,13 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Download Linux Artifact
-        uses: actions/download-artifact@v4
+        uses: actions/download-artifact@v3
         with:
           name: dhl-linux
           path: .
 
       - name: Download Windows Artifact
-        uses: actions/download-artifact@v4
+        uses: actions/download-artifact@v3
         with:
           name: dhl-windows
           path: .