Update Kubernetes v1.18.9 dependencies (#172)

Signed-off-by: 1gtm <1gtm@appscode.com>

go.mod

@@ -9,7 +9,6 @@ require (
 	github.com/NYTimes/gziphandler v1.1.1 // indirect
 	github.com/appscode/go v0.0.0-20201006035845-a0302ac8e3d3
 	github.com/blang/semver v3.5.1+incompatible // indirect
-	github.com/coreos/pkg v0.0.0-20180928190104-399ea9e2e55f // indirect
 	github.com/go-openapi/spec v0.19.8
 	github.com/go-openapi/swag v0.19.9 // indirect
 	github.com/golang/glog v0.0.0-20160126235308-23def4e6c14b
@@ -31,7 +30,6 @@ require (
 	github.com/pkg/errors v0.9.1 // indirect
 	github.com/prometheus/client_golang v1.6.0 // indirect
 	github.com/stretchr/testify v1.5.1 // indirect
-	github.com/tmc/grpc-websocket-proxy v0.0.0-20190109142713-0ad062ec5ee5 // indirect
 	github.com/yudai/gojsondiff v1.0.0
 	go.uber.org/atomic v1.6.0 // indirect
 	go.uber.org/zap v1.13.0 // indirect

go.sum

@@ -75,8 +75,6 @@ github.com/coreos/go-systemd v0.0.0-20190321100706-95778dfbb74e/go.mod h1:F5haX7
 github.com/coreos/pkg v0.0.0-20160727233714-3ac0863d7acf/go.mod h1:E3G3o1h8I7cfcXa63jLwjI0eiQQMgzzUDFVpN/nH/eA=
 github.com/coreos/pkg v0.0.0-20180108230652-97fdf19511ea h1:n2Ltr3SrfQlf/9nOna1DoGKxLx3qTSI8Ttl6Xrqp6mw=
 github.com/coreos/pkg v0.0.0-20180108230652-97fdf19511ea/go.mod h1:E3G3o1h8I7cfcXa63jLwjI0eiQQMgzzUDFVpN/nH/eA=
-github.com/coreos/pkg v0.0.0-20180928190104-399ea9e2e55f h1:lBNOc5arjvs8E5mO2tbpBpLoyyu8B6e44T7hJy6potg=
-github.com/coreos/pkg v0.0.0-20180928190104-399ea9e2e55f/go.mod h1:E3G3o1h8I7cfcXa63jLwjI0eiQQMgzzUDFVpN/nH/eA=
 github.com/cpuguy83/go-md2man v1.0.10/go.mod h1:SmD6nW6nTyfqj6ABTjUi3V3JVMnlJmwcJI5acqYI6dE=
 github.com/creack/pty v1.1.7/go.mod h1:lj5s0c3V2DBrqTV7llrYr5NG6My20zk30Fl46Y7DoTY=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
@@ -380,8 +378,6 @@ github.com/stretchr/testify v1.5.1/go.mod h1:5W2xD1RspED5o8YsWQXVCued0rvSQ+mT+I5
 github.com/tidwall/pretty v1.0.0/go.mod h1:XNkn88O1ChpSDQmQeStsy+sBenx6DDtFZJxhVysOjyk=
 github.com/tmc/grpc-websocket-proxy v0.0.0-20170815181823-89b8d40f7ca8 h1:ndzgwNDnKIqyCvHTXaCqh9KlOWKvBry6nuXMJmonVsE=
 github.com/tmc/grpc-websocket-proxy v0.0.0-20170815181823-89b8d40f7ca8/go.mod h1:ncp9v5uamzpCO7NfCPTXjqaC+bZgJeR0sMTm6dMHP7U=
-github.com/tmc/grpc-websocket-proxy v0.0.0-20190109142713-0ad062ec5ee5 h1:LnC5Kc/wtumK+WB441p7ynQJzVuNRJiqddSIE3IlSEQ=
-github.com/tmc/grpc-websocket-proxy v0.0.0-20190109142713-0ad062ec5ee5/go.mod h1:ncp9v5uamzpCO7NfCPTXjqaC+bZgJeR0sMTm6dMHP7U=
 github.com/ugorji/go/codec v0.0.0-20181204163529-d75b2dcb6bc8/go.mod h1:VFNgLljTbGfSG7qAOspJ7OScBnGdDN/yBr0sguwnwf0=
 github.com/urfave/cli v1.20.0/go.mod h1:70zkFmudgCuE/ngEzBv17Jvp/497gISqfk5gWijbERA=
 github.com/vektah/gqlparser v1.1.2/go.mod h1:1ycwN7Ij5njmMkPPAOaRFY4rET2Enx7IkVv3vaXspKw=

vendor/modules.txt

@@ -17,7 +17,7 @@ github.com/cespare/xxhash/v2
 # github.com/coreos/go-systemd v0.0.0-20190321100706-95778dfbb74e
 github.com/coreos/go-systemd/daemon
 github.com/coreos/go-systemd/journal
-# github.com/coreos/pkg v0.0.0-20180928190104-399ea9e2e55f
+# github.com/coreos/pkg v0.0.0-20180108230652-97fdf19511ea
 github.com/coreos/pkg/capnslog
 # github.com/davecgh/go-spew v1.1.1
 github.com/davecgh/go-spew/spew