ponysay: 3.0.2 -> 3.0.3

Semi-automatic update. These checks were performed:

- built on NixOS
- ran `/nix/store/gjj3sdwcxbdcgz730lh2sj9svfadifdf-ponysay-3.0.3/bin/ponysay -h` got 0 exit code
- ran `/nix/store/gjj3sdwcxbdcgz730lh2sj9svfadifdf-ponysay-3.0.3/bin/ponysay --help` got 0 exit code
- ran `/nix/store/gjj3sdwcxbdcgz730lh2sj9svfadifdf-ponysay-3.0.3/bin/ponysay help` got 0 exit code
- ran `/nix/store/gjj3sdwcxbdcgz730lh2sj9svfadifdf-ponysay-3.0.3/bin/ponysay -v` and found version 3.0.3
- ran `/nix/store/gjj3sdwcxbdcgz730lh2sj9svfadifdf-ponysay-3.0.3/bin/ponysay --version` and found version 3.0.3
- found 3.0.3 with grep in /nix/store/gjj3sdwcxbdcgz730lh2sj9svfadifdf-ponysay-3.0.3

cc "@bodil"