Migrate from dep to go module

Signed-off-by: Madhu Rajanna <madhupr007@gmail.com>

vendor/k8s.io/client-go/tools/auth/OWNERS

@@ -0,0 +1,9 @@
+# See the OWNERS docs at https://go.k8s.io/owners
+
+approvers:
+- sig-auth-authenticators-approvers
+reviewers:
+- sig-auth-authenticators-reviewers
+labels:
+- sig/auth
+

vendor/k8s.io/client-go/tools/cache/OWNERS

@@ -0,0 +1,45 @@
+# See the OWNERS docs at https://go.k8s.io/owners
+
+approvers:
+- thockin
+- lavalamp
+- smarterclayton
+- wojtek-t
+- deads2k
+- caesarxuchao
+- liggitt
+- ncdc
+reviewers:
+- thockin
+- lavalamp
+- smarterclayton
+- wojtek-t
+- deads2k
+- brendandburns
+- derekwaynecarr
+- caesarxuchao
+- mikedanese
+- liggitt
+- nikhiljindal
+- erictune
+- davidopp
+- pmorie
+- janetkuo
+- justinsb
+- eparis
+- soltysh
+- jsafrane
+- dims
+- madhusudancs
+- hongchaodeng
+- krousey
+- xiang90
+- mml
+- ingvagabund
+- resouer
+- jessfraz
+- david-mcmahon
+- mfojtik
+- mqliang
+- sdminonne
+- ncdc

vendor/k8s.io/client-go/tools/metrics/OWNERS

@@ -0,0 +1,7 @@
+# See the OWNERS docs at https://go.k8s.io/owners
+
+reviewers:
+- wojtek-t
+- eparis
+- krousey
+- jayunit100

vendor/k8s.io/client-go/tools/record/OWNERS

@@ -0,0 +1,29 @@
+# See the OWNERS docs at https://go.k8s.io/owners
+
+reviewers:
+- lavalamp
+- smarterclayton
+- wojtek-t
+- deads2k
+- derekwaynecarr
+- caesarxuchao
+- vishh
+- mikedanese
+- liggitt
+- nikhiljindal
+- erictune
+- pmorie
+- dchen1107
+- saad-ali
+- luxas
+- yifan-gu
+- eparis
+- mwielgus
+- timothysc
+- jsafrane
+- dims
+- krousey
+- a-robinson
+- aveshagarwal
+- resouer
+- cjcullen