refact(deps): bump k8s and client-go deps to version v0.20.2 (#294)

Signed-off-by: prateekpandey14 <prateek.pandey@mayadata.io>

vendor/k8s.io/gengo/examples/set-gen/generators/sets.go

@@ -25,7 +25,7 @@ import (
 	"k8s.io/gengo/namer"
 	"k8s.io/gengo/types"
 
-	"k8s.io/klog"
+	"k8s.io/klog/v2"
 )
 
 // NameSystems returns the name system used by the generators in this package.
@@ -187,7 +187,7 @@ type $.type|public$ map[$.type|raw$]Empty
 
 // New$.type|public$ creates a $.type|public$ from a list of values.
 func New$.type|public$(items ...$.type|raw$) $.type|public$ {
-	ss := $.type|public${}
+	ss := make($.type|public$, len(items))
 	ss.Insert(items...)
 	return ss
 }

vendor/k8s.io/gengo/examples/set-gen/generators/tags.go

@@ -18,7 +18,7 @@ package generators
 
 import (
 	"k8s.io/gengo/types"
-	"k8s.io/klog"
+	"k8s.io/klog/v2"
 )
 
 // extractBoolTagOrDie gets the comment-tags for the key and asserts that, if