update docs to show latest API version examples (#3192)

Signed-off-by: Whitney Griffith <whitney.griffith16@gmail.com>

Author: whitneygriffith

networking/v1alpha3/destination_rule.pb.go

@@ -33,7 +33,7 @@ import "type/v1beta1/selector.proto";
 // ratings service would look as follows:
 //
 // ```yaml
-// apiVersion: networking.istio.io/v1beta1
+// apiVersion: networking.istio.io/v1
 // kind: DestinationRule
 // metadata:
 //   name: bookinfo-ratings
@@ -51,7 +51,7 @@ import "type/v1beta1/selector.proto";
 // pods) with labels (version:v3).
 //
 // ```yaml
-// apiVersion: networking.istio.io/v1beta1
+// apiVersion: networking.istio.io/v1
 // kind: DestinationRule
 // metadata:
 //   name: bookinfo-ratings
@@ -78,7 +78,7 @@ import "type/v1beta1/selector.proto";
 // traffic to the port 9080.
 //
 // ```yaml
-// apiVersion: networking.istio.io/v1beta1
+// apiVersion: networking.istio.io/v1
 // kind: DestinationRule
 // metadata:
 //   name: bookinfo-ratings-port
@@ -101,7 +101,7 @@ import "type/v1beta1/selector.proto";
 // specific workload using the workloadSelector configuration.
 //
 // ```yaml
-// apiVersion: networking.istio.io/v1beta1
+// apiVersion: networking.istio.io/v1
 // kind: DestinationRule
 // metadata:
 //   name: configure-client-mtls-dr-with-workloadselector
@@ -294,7 +294,7 @@ message TrafficPolicy {
 // labels (version:v3).
 //
 // ```yaml
-// apiVersion: networking.istio.io/v1beta1
+// apiVersion: networking.istio.io/v1
 // kind: DestinationRule
 // metadata:
 //   name: bookinfo-ratings
@@ -345,7 +345,7 @@ message Subset {
 // for all traffic going to the ratings service.
 //
 // ```yaml
-// apiVersion: networking.istio.io/v1beta1
+// apiVersion: networking.istio.io/v1
 // kind: DestinationRule
 // metadata:
 //   name: bookinfo-ratings
@@ -361,7 +361,7 @@ message Subset {
 // the User cookie as the hash key.
 //
 // ```yaml
-// apiVersion: networking.istio.io/v1beta1
+// apiVersion: networking.istio.io/v1
 // kind: DestinationRule
 // metadata:
 //   name: bookinfo-ratings
@@ -525,7 +525,7 @@ message LoadBalancerSettings {
 // service called myredissrv with a connect timeout of 30ms
 //
 // ```yaml
-// apiVersion: networking.istio.io/v1beta1
+// apiVersion: networking.istio.io/v1
 // kind: DestinationRule
 // metadata:
 //   name: bookinfo-redis
@@ -666,7 +666,7 @@ message ConnectionPoolSettings {
 // times with a 502, 503, or 504 error code will be ejected for 15 minutes.
 //
 // ```yaml
-// apiVersion: networking.istio.io/v1beta1
+// apiVersion: networking.istio.io/v1
 // kind: DestinationRule
 // metadata:
 //   name: reviews-cb-policy
@@ -771,7 +771,7 @@ message OutlierDetection {
 // for connections to upstream database cluster.
 //
 // ```yaml
-// apiVersion: networking.istio.io/v1beta1
+// apiVersion: networking.istio.io/v1
 // kind: DestinationRule
 // metadata:
 //   name: db-mtls
@@ -789,7 +789,7 @@ message OutlierDetection {
 // foreign service whose domain matches *.foo.com.
 //
 // ```yaml
-// apiVersion: networking.istio.io/v1beta1
+// apiVersion: networking.istio.io/v1
 // kind: DestinationRule
 // metadata:
 //   name: tls-foo
@@ -804,7 +804,7 @@ message OutlierDetection {
 // to rating services.
 //
 // ```yaml
-// apiVersion: networking.istio.io/v1beta1
+// apiVersion: networking.istio.io/v1
 // kind: DestinationRule
 // metadata:
 //   name: ratings-istio-mtls