Add dashboard for azure

Author: Jont828

config/jobs/kubernetes/sig-scalability/sig-scalability-periodic-azure.yaml

@@ -62,6 +62,8 @@ periodics:
         value: "false"
       - name: KUBERNETES_VERSION
         value: "v1.25.3"
+      - name: "CONTROL_PLANE_MACHINE_COUNT"
+        value: "5"
       - name: WINDOWS_WORKER_MACHINE_COUNT
         value: "0" # Don't create windows workers
       - name: WORKER_MACHINE_COUNT

config/testgrids/kubernetes/sig-scalability/config.yaml

@@ -2,6 +2,7 @@ dashboard_groups:
 - name: sig-scalability
   dashboard_names:
     - sig-scalability-aws
+    - sig-scalability-azure
     - sig-scalability-gce
     - sig-scalability-node
     - sig-scalability-kubemark
@@ -13,6 +14,7 @@ dashboard_groups:
 
 dashboards:
 - name: sig-scalability-aws
+- name: sig-scalability-azure
 - name: sig-scalability-gce
 - name: sig-scalability-kubemark
 - name: sig-scalability-node