remove all usages of autoscaling/v2beta2 from docs

Signed-off-by: Sanskar Jaiswal <jaiswalsanskar078@gmail.com>

docs/gitbook/tutorials/appmesh-progressive-delivery.md

@@ -80,7 +80,7 @@ spec:
   progressDeadlineSeconds: 60
   # HPA reference (optional)
   autoscalerRef:
-    apiVersion: autoscaling/v2beta2
+    apiVersion: autoscaling/v2
     kind: HorizontalPodAutoscaler
     name: podinfo
   service:

docs/gitbook/tutorials/contour-progressive-delivery.md

@@ -76,7 +76,7 @@ spec:
     name: podinfo
   # HPA reference
   autoscalerRef:
-    apiVersion: autoscaling/v2beta2
+    apiVersion: autoscaling/v2
     kind: HorizontalPodAutoscaler
     name: podinfo
   service:

docs/gitbook/tutorials/gatewayapi-progressive-delivery.md

@@ -156,7 +156,7 @@ spec:
   progressDeadlineSeconds: 60
   # HPA reference (optional)
   autoscalerRef:
-    apiVersion: autoscaling/v2beta2
+    apiVersion: autoscaling/v2
     kind: HorizontalPodAutoscaler
     name: podinfo
   service:
@@ -409,7 +409,7 @@ spec:
   progressDeadlineSeconds: 60
   # HPA reference (optional)
   autoscalerRef:
-    apiVersion: autoscaling/v2beta2
+    apiVersion: autoscaling/v2
     kind: HorizontalPodAutoscaler
     name: podinfo
   service:
@@ -518,7 +518,7 @@ spec:
   progressDeadlineSeconds: 60
   # HPA reference (optional)
   autoscalerRef:
-    apiVersion: autoscaling/v2beta2
+    apiVersion: autoscaling/v2
     kind: HorizontalPodAutoscaler
     name: podinfo
   service:

docs/gitbook/tutorials/gloo-progressive-delivery.md

@@ -110,7 +110,7 @@ spec:
     name: podinfo
   # HPA reference (optional)
   autoscalerRef:
-    apiVersion: autoscaling/v2beta2
+    apiVersion: autoscaling/v2
     kind: HorizontalPodAutoscaler
     name: podinfo
   service:

docs/gitbook/tutorials/istio-ab-testing.md

@@ -84,7 +84,7 @@ spec:
   progressDeadlineSeconds: 60
   # HPA reference (optional)
   autoscalerRef:
-    apiVersion: autoscaling/v2beta2
+    apiVersion: autoscaling/v2
     kind: HorizontalPodAutoscaler
     name: podinfo
   service:

docs/gitbook/tutorials/istio-progressive-delivery.md

@@ -85,7 +85,7 @@ spec:
   progressDeadlineSeconds: 60
   # HPA reference (optional)
   autoscalerRef:
-    apiVersion: autoscaling/v2beta2
+    apiVersion: autoscaling/v2
     kind: HorizontalPodAutoscaler
     name: podinfo
   service:
@@ -316,7 +316,7 @@ spec:
   progressDeadlineSeconds: 60
   # HPA reference (optional)
   autoscalerRef:
-    apiVersion: autoscaling/v2beta2
+    apiVersion: autoscaling/v2
     kind: HorizontalPodAutoscaler
     name: podinfo
   service:

docs/gitbook/tutorials/kubernetes-blue-green.md

@@ -84,7 +84,7 @@ spec:
   progressDeadlineSeconds: 60
   # HPA reference (optional)
   autoscalerRef:
-    apiVersion: autoscaling/v2beta2
+    apiVersion: autoscaling/v2
     kind: HorizontalPodAutoscaler
     name: podinfo
   service:

docs/gitbook/tutorials/linkerd-progressive-delivery.md

@@ -98,7 +98,7 @@ spec:
     name: podinfo
   # HPA reference (optional)
   autoscalerRef:
-    apiVersion: autoscaling/v2beta2
+    apiVersion: autoscaling/v2
     kind: HorizontalPodAutoscaler
     name: podinfo
   # the maximum time in seconds for the canary deployment
@@ -426,7 +426,7 @@ spec:
     kind: Deployment
     name: podinfo
   autoscalerRef:
-    apiVersion: autoscaling/v2beta2
+    apiVersion: autoscaling/v2
     kind: HorizontalPodAutoscaler
     name: podinfo
   service:

docs/gitbook/tutorials/nginx-progressive-delivery.md

@@ -110,7 +110,7 @@ spec:
     name: podinfo
   # HPA reference (optional)
   autoscalerRef:
-    apiVersion: autoscaling/v2beta2
+    apiVersion: autoscaling/v2
     kind: HorizontalPodAutoscaler
     name: podinfo
   # the maximum time in seconds for the canary deployment

docs/gitbook/tutorials/osm-progressive-delivery.md

@@ -86,7 +86,7 @@ spec:
     name: podinfo
   # HPA reference (optional)
   autoscalerRef:
-    apiVersion: autoscaling/v2beta2
+    apiVersion: autoscaling/v2
     kind: HorizontalPodAutoscaler
     name: podinfo
   # the maximum time in seconds for the canary deployment

docs/gitbook/tutorials/skipper-progressive-delivery.md

@@ -113,7 +113,7 @@ spec:
     name: podinfo
   # HPA reference (optional)
   autoscalerRef:
-    apiVersion: autoscaling/v2beta2
+    apiVersion: autoscaling/v2
     kind: HorizontalPodAutoscaler
     name: podinfo
   # the maximum time in seconds for the canary deployment

docs/gitbook/tutorials/traefik-progressive-delivery.md

@@ -103,7 +103,7 @@ spec:
     name: podinfo
   # HPA reference (optional)
   autoscalerRef:
-    apiVersion: autoscaling/v2beta2
+    apiVersion: autoscaling/v2
     kind: HorizontalPodAutoscaler
     name: podinfo
   # the maximum time in seconds for the canary deployment

docs/gitbook/tutorials/zero-downtime-deployments.md

@@ -139,7 +139,7 @@ Note that without resource requests the horizontal pod autoscaler can't determin
 A production environment should be able to handle traffic bursts without impacting the quality of service. This can be achieved with Kubernetes autoscaling capabilities. Autoscaling in Kubernetes has two dimensions: the Cluster Autoscaler that deals with node scaling operations and the Horizontal Pod Autoscaler that automatically scales the number of pods in a deployment.
 
 ```yaml
-apiVersion: autoscaling/v2beta2
+apiVersion: autoscaling/v2
 kind: HorizontalPodAutoscaler
 spec:
   scaleTargetRef: