Include index.php in the URL when downloading attachments

Without index.php it ends up downloading the new landing page, which
describes that GitLab is the future!

snapshotter.sh

@@ -81,7 +81,7 @@ function download_attachment() {
       options=(--output-document=attachment)
     fi
     wget "${options[@]}" \
-         "https://bugs.archlinux.org/?getfile=${2}" || { [[ ${?} = 3 ]] && echo "Error downloading attachment: ${2}" && cd .. && rmdir tmp "${2}" && cd ../../ || exit 1 && [[ ${3:-false} = true ]] && return; download_attachment "${1}" "${2}" "true"; return; }
+         "https://bugs.archlinux.org/index.php?getfile=${2}" || { [[ ${?} = 3 ]] && echo "Error downloading attachment: ${2}" && cd .. && rmdir tmp "${2}" && cd ../../ || exit 1 && [[ ${3:-false} = true ]] && return; download_attachment "${1}" "${2}" "true"; return; }
     local files=(*)
     filename="${files[0]}"