How did I fix «Not Found» on installing `php8.2-fpm` via `packages.sury.org`?

aptitude install php8.2-fpm
The following NEW packages will be installed:
  php8.2-fpm
0 packages upgraded, 1 newly installed, 0 to remove and 1016 not upgraded.
Need to get 1,720 kB of archives. After unpacking 5,724 kB will be used.
Err https://packages.sury.org/php buster/main amd64 php8.2-fpm amd64 8.2.8-1+0~20230716.25+debian10~1.gbp5cf2f6
  404  Not Found [IP: 2400:52e0:1e00::1081:1 443]
0% [Working]E: Failed to fetch https://packages.sury.org/php/pool/main/p/php8.2/php8.2-fpm_8.2.8-1+0~20230716.25+debian10~1.gbp5cf2f6_amd64.deb: 404  Not Found [IP: 2400:52e0:1e00::1081:1 443]
E: Unable to fetch some packages; try '-o APT::Get::Fix-Missing=true' to continue with missing packages

2023-08-23--18-32-43

Fixed by aptitude update.