Update TiDB Dashboard to v2020.10.21.1 (#3095)

Signed-off-by: Breezewish <me@breeswish.org>

go.mod

@@ -23,7 +23,7 @@ require (
 	github.com/montanaflynn/stats v0.5.0
 	github.com/opentracing/opentracing-go v1.1.0
 	github.com/phf/go-queue v0.0.0-20170504031614-9abe38d0371d
-	github.com/pingcap-incubator/tidb-dashboard v0.0.0-20200921100341-0e148dfc0029
+	github.com/pingcap-incubator/tidb-dashboard v0.0.0-20201022065613-94d8dc38a204
 	github.com/pingcap/check v0.0.0-20200212061837-5e12011dc712
 	github.com/pingcap/errcode v0.3.0
 	github.com/pingcap/errors v0.11.5-0.20200917111840-a15ef68f753d

go.sum

@@ -597,8 +597,8 @@ github.com/pierrec/lz4 v2.0.5+incompatible/go.mod h1:pdkljMzZIN41W+lC3N2tnIh5sFi
 github.com/pierrec/lz4 v2.2.6+incompatible/go.mod h1:pdkljMzZIN41W+lC3N2tnIh5sFi+IEE17M5jbnwPHcY=
 github.com/pingcap-incubator/tidb-dashboard v0.0.0-20200407064406-b2b8ad403d01/go.mod h1:77fCh8d3oKzC5ceOJWeZXAS/mLzVgdZ7rKniwmOyFuo=
 github.com/pingcap-incubator/tidb-dashboard v0.0.0-20200807020752-01f0abe88e93/go.mod h1:9yaAM77sPfa5/f6sdxr3jSkKfIz463KRHyiFHiGjdes=
-github.com/pingcap-incubator/tidb-dashboard v0.0.0-20200921100341-0e148dfc0029 h1:35A98kW75kjd2U5Eld59FzqdzsIDCnhfsAv/8Kp0fmQ=
-github.com/pingcap-incubator/tidb-dashboard v0.0.0-20200921100341-0e148dfc0029/go.mod h1:X3r7/4Wr9fSC5KlsfezBh/5noeWGEJNQuSvjgS2rvdI=
+github.com/pingcap-incubator/tidb-dashboard v0.0.0-20201022065613-94d8dc38a204 h1:dBfo6ru8dJkiPTacSrhfJiMuTwKQdT9SX2GHu3MOefw=
+github.com/pingcap-incubator/tidb-dashboard v0.0.0-20201022065613-94d8dc38a204/go.mod h1:X3r7/4Wr9fSC5KlsfezBh/5noeWGEJNQuSvjgS2rvdI=
 github.com/pingcap/check v0.0.0-20190102082844-67f458068fc8/go.mod h1:B1+S9LNcuMyLH/4HMTViQOJevkGiik3wW2AN9zb2fNQ=
 github.com/pingcap/check v0.0.0-20191107115940-caf2b9e6ccf4/go.mod h1:PYMCGwN0JHjoqGr3HrZoD+b8Tgx8bKnArhSq8YVzUMc=
 github.com/pingcap/check v0.0.0-20191216031241-8a5a85928f12/go.mod h1:PYMCGwN0JHjoqGr3HrZoD+b8Tgx8bKnArhSq8YVzUMc=