update dependencies

vendor/cloud.google.com/go/storage/acl.go

vendor/cloud.google.com/go/storage/storage.go

vendor/github.com/aws/aws-sdk-go/aws/version.go

vendor/github.com/google/go-github/LICENSE

vendor/github.com/google/go-github/github/activity.go

vendor/github.com/google/go-github/github/activity_events.go

...hub.com/google/go-github/github/activity_notifications.go

vendor/github.com/google/go-github/github/activity_star.go

...r/github.com/google/go-github/github/activity_watching.go

vendor/github.com/google/go-github/github/admin.go

vendor/github.com/google/go-github/github/authorizations.go

vendor/github.com/google/go-github/github/doc.go

vendor/github.com/google/go-github/github/event_types.go

vendor/github.com/google/go-github/github/gists.go

vendor/github.com/google/go-github/github/gists_comments.go

vendor/github.com/google/go-github/github/git.go

vendor/github.com/google/go-github/github/git_blobs.go

vendor/github.com/google/go-github/github/git_commits.go

vendor/github.com/google/go-github/github/git_refs.go

vendor/github.com/google/go-github/github/git_tags.go