#2 add dependencies to vendor

vendor/github.com/go-redis/redis/v8/internal/rand/rand.go

vendor/github.com/go-redis/redis/v8/internal/safe.go

vendor/github.com/go-redis/redis/v8/internal/unsafe.go

vendor/github.com/go-redis/redis/v8/internal/util.go

vendor/github.com/go-redis/redis/v8/internal/util/safe.go

vendor/github.com/go-redis/redis/v8/internal/util/strconv.go

vendor/github.com/go-redis/redis/v8/internal/util/unsafe.go

vendor/github.com/go-redis/redis/v8/iterator.go

vendor/github.com/go-redis/redis/v8/options.go

vendor/github.com/go-redis/redis/v8/package.json

vendor/github.com/go-redis/redis/v8/pipeline.go

vendor/github.com/go-redis/redis/v8/pubsub.go

vendor/github.com/go-redis/redis/v8/redis.go

vendor/github.com/go-redis/redis/v8/result.go

vendor/github.com/go-redis/redis/v8/ring.go

vendor/github.com/go-redis/redis/v8/script.go

vendor/github.com/go-redis/redis/v8/sentinel.go

vendor/github.com/go-redis/redis/v8/tx.go

vendor/github.com/go-redis/redis/v8/universal.go

vendor/github.com/go-redis/redis/v8/version.go