Update scripts/update_java_archives.shwow, not bad gemini

Co-authored-by: gemini-code-assist[bot] <176961590+gemini-code-assist[bot]@users.noreply.github.com>

Author: loosebazooka

scripts/update_java_archives.sh

@@ -52,7 +52,7 @@ EOM
       arch_deb=${archs_deb[arch_index]}
       name="OpenJDK21U-${variant}_${arch}_linux_hotspot_$(underscore_encode "${version}").tar.gz"
       archive_url=$(echo "$latest_release" | jq -r --arg NAME "$name" '.assets | .[] | select(.name==$NAME) | .browser_download_url')
-      [ "$archive_url" ] || { echo "no url found for ${name}" >&2; exit 1; }
+: ${archive_url:?no url found for '${name}'}
       sha256_name="${name}.sha256.txt"
       sha256_url=$(echo "$latest_release" | jq -r --arg NAME "$sha256_name" '.assets | .[] | select(.name==$NAME) | .browser_download_url')
       [ "$sha256_url" ] || { echo "no url found for ${sha256_name}" >&2; exit 1; }