caddy: 0.10.10 -> 0.10.11

Semi-automatic update. These checks were performed:

- built on NixOS
- ran `/nix/store/fak10szh33cyf8wf70m9wg4gp23jqzbq-caddy-0.10.11-bin/bin/caddy --version` and found version 0.10.11
- found 0.10.11 with grep in /nix/store/fak10szh33cyf8wf70m9wg4gp23jqzbq-caddy-0.10.11-bin
- found 0.10.11 in filename of file in /nix/store/fak10szh33cyf8wf70m9wg4gp23jqzbq-caddy-0.10.11-bin