libgsf: 1.14.41 -> 1.14.42

Semi-automatic update. These checks were performed:

- built on NixOS
- ran `/nix/store/r5m45cyq4pdbqf6a3fal3x7dgy69hqiv-libgsf-1.14.42/bin/gsf -h` got 0 exit code
- ran `/nix/store/r5m45cyq4pdbqf6a3fal3x7dgy69hqiv-libgsf-1.14.42/bin/gsf --help` got 0 exit code
- ran `/nix/store/r5m45cyq4pdbqf6a3fal3x7dgy69hqiv-libgsf-1.14.42/bin/gsf help` got 0 exit code
- ran `/nix/store/r5m45cyq4pdbqf6a3fal3x7dgy69hqiv-libgsf-1.14.42/bin/gsf -v` and found version 1.14.42
- ran `/nix/store/r5m45cyq4pdbqf6a3fal3x7dgy69hqiv-libgsf-1.14.42/bin/gsf --version` and found version 1.14.42
- ran `/nix/store/r5m45cyq4pdbqf6a3fal3x7dgy69hqiv-libgsf-1.14.42/bin/gsf -h` and found version 1.14.42
- ran `/nix/store/r5m45cyq4pdbqf6a3fal3x7dgy69hqiv-libgsf-1.14.42/bin/gsf --help` and found version 1.14.42
- ran `/nix/store/r5m45cyq4pdbqf6a3fal3x7dgy69hqiv-libgsf-1.14.42/bin/gsf-vba-dump -h` got 0 exit code
- ran `/nix/store/r5m45cyq4pdbqf6a3fal3x7dgy69hqiv-libgsf-1.14.42/bin/gsf-vba-dump --help` got 0 exit code
- ran `/nix/store/r5m45cyq4pdbqf6a3fal3x7dgy69hqiv-libgsf-1.14.42/bin/gsf-vba-dump help` got 0 exit code
- ran `/nix/store/r5m45cyq4pdbqf6a3fal3x7dgy69hqiv-libgsf-1.14.42/bin/gsf-office-thumbnailer -h` got 0 exit code
- ran `/nix/store/r5m45cyq4pdbqf6a3fal3x7dgy69hqiv-libgsf-1.14.42/bin/gsf-office-thumbnailer --help` got 0 exit code
- found 1.14.42 with grep in /nix/store/r5m45cyq4pdbqf6a3fal3x7dgy69hqiv-libgsf-1.14.42
- found 1.14.42 in filename of file in /nix/store/r5m45cyq4pdbqf6a3fal3x7dgy69hqiv-libgsf-1.14.42

cc "@lovek323"