tryton: 4.2.1 -> 4.6.2

Semi-automatic update. These checks were performed:

- built on NixOS
- ran `/nix/store/ns61c2rgvmivvyfi3bnglp0mcgj6a511-tryton-4.6.2/bin/.tryton-wrapped -h` got 0 exit code
- ran `/nix/store/ns61c2rgvmivvyfi3bnglp0mcgj6a511-tryton-4.6.2/bin/.tryton-wrapped --help` got 0 exit code
- ran `/nix/store/ns61c2rgvmivvyfi3bnglp0mcgj6a511-tryton-4.6.2/bin/.tryton-wrapped --version` and found version 4.6.2
- ran `/nix/store/ns61c2rgvmivvyfi3bnglp0mcgj6a511-tryton-4.6.2/bin/tryton -h` got 0 exit code
- ran `/nix/store/ns61c2rgvmivvyfi3bnglp0mcgj6a511-tryton-4.6.2/bin/tryton --help` got 0 exit code
- ran `/nix/store/ns61c2rgvmivvyfi3bnglp0mcgj6a511-tryton-4.6.2/bin/tryton --version` and found version 4.6.2
- found 4.6.2 with grep in /nix/store/ns61c2rgvmivvyfi3bnglp0mcgj6a511-tryton-4.6.2
- found 4.6.2 in filename of file in /nix/store/ns61c2rgvmivvyfi3bnglp0mcgj6a511-tryton-4.6.2

cc "@johbo"