Update dependencies

cmd/cashierd/main.go

vendor/cloud.google.com/go/LICENSE

vendor/cloud.google.com/go/compute/metadata/metadata.go

vendor/cloud.google.com/go/internal/cloud.go

vendor/github.com/BurntSushi/toml/COMPATIBLE

vendor/github.com/BurntSushi/toml/COPYING

vendor/github.com/BurntSushi/toml/Makefile

vendor/github.com/BurntSushi/toml/README.md

vendor/github.com/BurntSushi/toml/decode.go

vendor/github.com/BurntSushi/toml/decode_meta.go

vendor/github.com/BurntSushi/toml/doc.go

vendor/github.com/BurntSushi/toml/encode.go

vendor/github.com/BurntSushi/toml/encoding_types.go

vendor/github.com/BurntSushi/toml/encoding_types_1.1.go

vendor/github.com/BurntSushi/toml/lex.go

vendor/github.com/BurntSushi/toml/parse.go

vendor/github.com/BurntSushi/toml/session.vim

vendor/github.com/BurntSushi/toml/type_check.go

vendor/github.com/BurntSushi/toml/type_fields.go

vendor/github.com/aws/aws-sdk-go/aws/awserr/error.go