try zstd -19

Author: madonuko

.github/workflows/ultramarine-weekly.yml

@@ -35,7 +35,7 @@ jobs:
           /var/lib/flatpak
     - run: polycrystal
     - name: Compress to tarball
-      run: cd /var/lib && tar -I 'zstd --ultra -22' -cf /flatpak.tar.zst flatpak/
+      run: cd /var/lib && tar -I 'zstd -19' -cf /flatpak.tar.zst flatpak/
     - uses: actions/upload-artifact@v4
       with:
         name: flatpak-um${{ matrix.releasever }}-${{ matrix.edition }}-${{ matrix.arch }}