libzmf: 0.0.1 -> 0.0.2

Semi-automatic update. These checks were performed:

- built on NixOS
- ran `/nix/store/qq22lnv1qj1qwxmnf1qikf5a76girca4-libzmf-0.0.2/bin/zmf2raw --version` and found version 0.0.2
- ran `/nix/store/qq22lnv1qj1qwxmnf1qikf5a76girca4-libzmf-0.0.2/bin/zmf2svg --version` and found version 0.0.2
- found 0.0.2 with grep in /nix/store/qq22lnv1qj1qwxmnf1qikf5a76girca4-libzmf-0.0.2
- found 0.0.2 in filename of file in /nix/store/qq22lnv1qj1qwxmnf1qikf5a76girca4-libzmf-0.0.2

cc "@raskin"