update dependency to 4.0

Author: 3pointer

go.mod

@@ -8,26 +8,24 @@ require (
 	github.com/cheggaaa/pb/v3 v3.0.1
 	github.com/coreos/go-semver v0.3.0 // indirect
 	github.com/coreos/go-systemd v0.0.0-20190719114852-fd7a80b32e1f // indirect
-	github.com/fatih/color v1.9.0 // indirect
 	github.com/fsouza/fake-gcs-server v1.15.0
 	github.com/go-sql-driver/mysql v1.4.1
 	github.com/gogo/protobuf v1.3.1
 	github.com/google/btree v1.0.0
 	github.com/google/uuid v1.1.1
 	github.com/klauspost/cpuid v1.2.0 // indirect
-	github.com/mattn/go-runewidth v0.0.7 // indirect
 	github.com/montanaflynn/stats v0.5.0 // indirect
 	github.com/onsi/ginkgo v1.11.0 // indirect
 	github.com/onsi/gomega v1.8.1 // indirect
 	github.com/pingcap/check v0.0.0-20200212061837-5e12011dc712
 	github.com/pingcap/errors v0.11.5-0.20190809092503-95897b64e011
-	github.com/pingcap/kvproto v0.0.0-20200423024253-3500763f0214
+	github.com/pingcap/kvproto v0.0.0-20200424032552-6650270c39c3
 	github.com/pingcap/log v0.0.0-20200117041106-d28c14d3b1cd
-	github.com/pingcap/parser v0.0.0-20200326020624-68d423641be5
-	github.com/pingcap/pd/v4 v4.0.0-beta.1.0.20200305072537-61d9f9cc35d3
-	github.com/pingcap/tidb v0.0.0-20200401141416-959eca8f3a39
+	github.com/pingcap/parser v0.0.0-20200425031156-fb338edcaac2
+	github.com/pingcap/pd/v4 v4.0.0-rc.1.0.20200422143320-428acd53eba2
+	github.com/pingcap/tidb v1.1.0-beta.0.20200424160056-7267747ae0ec
 	github.com/pingcap/tidb-tools v4.0.0-rc.1.0.20200421113014-507d2bb3a15e+incompatible
-	github.com/pingcap/tipb v0.0.0-20200212061130-c4d518eb1d60
+	github.com/pingcap/tipb v0.0.0-20200417094153-7316d94df1ee
 	github.com/prometheus/client_golang v1.0.0
 	github.com/prometheus/common v0.4.1
 	github.com/sirupsen/logrus v1.4.2