git-secret: 0.2.2 -> 0.2.3

Semi-automatic update. These checks were done:

- built on NixOS
- ran `/nix/store/5f9ki7kbirk84j77hfvs09dqlqdli79b-git-secret-0.2.3/bin/.git-secret-wrapped --version` and found version 0.2.3
- found 0.2.3 with grep in /nix/store/5f9ki7kbirk84j77hfvs09dqlqdli79b-git-secret-0.2.3
- found 0.2.3 in filename of file in /nix/store/5f9ki7kbirk84j77hfvs09dqlqdli79b-git-secret-0.2.3