Changes to accommodate client-go changes and kube vendor update

to v1.18.0

Signed-off-by: Humble Chirammal <hchiramm@redhat.com>

vendor/gopkg.in/square/go-jose.v2/jwt/claims.go

@@ -80,7 +80,7 @@ func (n *NumericDate) Time() time.Time {
 	return time.Unix(int64(*n), 0)
 }
 
-// Audience represents the recipents that the token is intended for.
+// Audience represents the recipients that the token is intended for.
 type Audience []string
 
 // UnmarshalJSON reads an audience from its JSON representation.

vendor/gopkg.in/square/go-jose.v2/jwt/validation.go

@@ -35,7 +35,7 @@ type Expected struct {
 	Audience Audience
 	// ID matches the "jti" claim exactly.
 	ID string
-	// Time matches the "exp" and "nbf" claims with leeway.
+	// Time matches the "exp", "nbf" and "iat" claims with leeway.
 	Time time.Time
 }