format the source code and tidy the dependencies using go 1.17.13

Signed-off-by: Benjamin Wang <wachao@vmware.com>

client/pkg/go.mod

@@ -8,3 +8,11 @@ require (
 	go.uber.org/zap v1.17.0
 	golang.org/x/sys v0.0.0-20210403161142-5e06dd20ab57
 )
+
+require (
+	github.com/davecgh/go-spew v1.1.1 // indirect
+	github.com/pmezard/go-difflib v1.0.0 // indirect
+	go.uber.org/atomic v1.7.0 // indirect
+	go.uber.org/multierr v1.6.0 // indirect
+	gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b // indirect
+)

client/v2/go.mod

@@ -9,6 +9,11 @@ require (
 	go.etcd.io/etcd/client/pkg/v3 v3.5.6
 )
 
+require (
+	github.com/coreos/go-semver v0.3.0 // indirect
+	github.com/modern-go/concurrent v0.0.0-20180228061459-e0a39a4cb421 // indirect
+)
+
 replace (
 	go.etcd.io/etcd/api/v3 => ../../api
 	go.etcd.io/etcd/client/pkg/v3 => ../pkg

client/v3/go.mod

@@ -13,6 +13,27 @@ require (
 	sigs.k8s.io/yaml v1.2.0
 )
 
+require (
+	github.com/beorn7/perks v1.0.1 // indirect
+	github.com/cespare/xxhash/v2 v2.1.1 // indirect
+	github.com/coreos/go-semver v0.3.0 // indirect
+	github.com/coreos/go-systemd/v22 v22.3.2 // indirect
+	github.com/gogo/protobuf v1.3.2 // indirect
+	github.com/golang/protobuf v1.5.2 // indirect
+	github.com/matttproud/golang_protobuf_extensions v1.0.1 // indirect
+	github.com/prometheus/client_model v0.2.0 // indirect
+	github.com/prometheus/common v0.26.0 // indirect
+	github.com/prometheus/procfs v0.6.0 // indirect
+	go.uber.org/atomic v1.7.0 // indirect
+	go.uber.org/multierr v1.6.0 // indirect
+	golang.org/x/net v0.0.0-20210405180319-a5a99cb37ef4 // indirect
+	golang.org/x/sys v0.0.0-20210603081109-ebe580a85c40 // indirect
+	golang.org/x/text v0.3.5 // indirect
+	google.golang.org/genproto v0.0.0-20210602131652-f16073e35f0c // indirect
+	google.golang.org/protobuf v1.26.0 // indirect
+	gopkg.in/yaml.v2 v2.4.0 // indirect
+)
+
 replace (
 	go.etcd.io/etcd/api/v3 => ../../api
 	go.etcd.io/etcd/client/pkg/v3 => ../pkg