cppcms: 1.0.5 -> 1.2.1 (#42024)

Semi-automatic update generated by https://github.com/ryantm/nixpkgs-update tools.

This update was made based on information from https://repology.org/metapackage/cppcms/versions.

These checks were done:

- built on NixOS
- Warning: no invocation of /nix/store/9rzm8kp5fc4w1n4iygff2fl9i9l47n83-cppcms-1.2.1/bin/cppcms_config_find_param had a zero exit code or showed the expected version
- /nix/store/9rzm8kp5fc4w1n4iygff2fl9i9l47n83-cppcms-1.2.1/bin/cppcms_make_key passed the binary check.
- Warning: no invocation of /nix/store/9rzm8kp5fc4w1n4iygff2fl9i9l47n83-cppcms-1.2.1/bin/cppcms_scale had a zero exit code or showed the expected version
- Warning: no invocation of /nix/store/9rzm8kp5fc4w1n4iygff2fl9i9l47n83-cppcms-1.2.1/bin/cppcms_tmpl_cc had a zero exit code or showed the expected version
- Warning: no invocation of /nix/store/9rzm8kp5fc4w1n4iygff2fl9i9l47n83-cppcms-1.2.1/bin/cppcms_run had a zero exit code or showed the expected version
- 1 of 5 passed binary check by having a zero exit code.
- 0 of 5 passed binary check by having the new version present in output.
- found 1.2.1 with grep in /nix/store/9rzm8kp5fc4w1n4iygff2fl9i9l47n83-cppcms-1.2.1
- directory tree listing: https://gist.github.com/d1f2849fe9d35b02a9db07f7d396c6a7
- du listing: https://gist.github.com/f5c96329d8e59da59472edbaf149d83d