arch_boxes_sync: Pull the artifacts from GitLab's package registry

arch-boxes has decided to use GitLab's package registry instead of job artifacts[1].

[1] arch-boxes@d04c8274

roles/arch_boxes_sync/files/arch-boxes-sync.sh

@@ -55,7 +55,7 @@ for FILE in "${LATEST_VERSION}"/*; do
     if [[ $FILE =~ .*\.SHA256$ ]]; then
       sed "s/-${LATEST_VERSION:1}//" "${FILE}" > "${DEST}"
       touch --no-create --reference="${FILE}" "${DEST}"
-    # Don't create a symlink for the .SHA256.sig file, as we broke the signature by fixing the checksum file.
+    # Don't create a symlink for the .SHA256.sig file, as we break the signature by fixing the checksum file.
     elif [[ $FILE =~ .*\.SHA256.sig$ ]]; then
       continue
     else