vault: 0.9.4 -> 0.9.5

Semi-automatic update generated by https://github.com/ryantm/nix-update tools. These checks were done:

- built on NixOS
- ran `/nix/store/8w89f27dfrsksnm1xs4pyplbvi6y3sfa-vault-0.9.5/bin/vault -h` got 0 exit code
- ran `/nix/store/8w89f27dfrsksnm1xs4pyplbvi6y3sfa-vault-0.9.5/bin/vault --help` got 0 exit code
- ran `/nix/store/8w89f27dfrsksnm1xs4pyplbvi6y3sfa-vault-0.9.5/bin/vault -v` and found version 0.9.5
- ran `/nix/store/8w89f27dfrsksnm1xs4pyplbvi6y3sfa-vault-0.9.5/bin/vault --version` and found version 0.9.5
- ran `/nix/store/8w89f27dfrsksnm1xs4pyplbvi6y3sfa-vault-0.9.5/bin/vault version` and found version 0.9.5
- found 0.9.5 with grep in /nix/store/8w89f27dfrsksnm1xs4pyplbvi6y3sfa-vault-0.9.5