Copy AppImage zsync file to be uploaded to GH

sum.sh

@@ -18,7 +18,7 @@ if [[ "$SHOULD_BUILD" == "yes" ]]; then
     sum_file VSCodiumUserSetup-*.exe
     sum_file VSCodium-win32-*.zip
   else # linux
-    cp out/*.AppImage .
+    cp out/*.AppImage* .
     cp vscode/.build/linux/deb/*/deb/*.deb .
     cp vscode/.build/linux/rpm/*/*.rpm .