Update sigs.yaml to incorporate SIG Azure changes

sigs.yaml

@@ -413,21 +413,25 @@ sigs:
     label: azure
     leadership:
       chairs:
-      - name: Jason Hansen
-        github: slack
+      - name: Stephen Augustus
+        github: justaugustus
+        Company: Red Hat
+      - name: Shubheksha Jalan
+        github: shubheksha
+        Company: Microsoft
+      tech_leads:
+      - name: Kal Khenidak
+        github: khenidak
         company: Microsoft
       - name: Cole Mickens
         github: colemickens
         company: Red Hat
-      - name: Jaice Singer DuMars
-        github: jdumars
-        company: Microsoft
     meetings:
     - description: Regular SIG Meeting
       day: Wednesday
       time: "16:00"
       tz: "UTC"
-      frequency: weekly
+      frequency: biweekly
       url: https://zoom.us/j/2015551212
       archive_url: https://docs.google.com/document/d/1SpxvmOgHDhnA72Z0lbhBffrfe9inQxZkU9xqlafOW9k/edit
       recordings_url: https://www.youtube.com/watch?v=yQLeUKi_dwg&list=PL69nYSiGNLP2JNdHwB8GxRs2mikK7zyc4
@@ -435,8 +439,20 @@ sigs:
       slack: sig-azure
       mailing_list: https://groups.google.com/forum/#!forum/kubernetes-sig-azure
       teams:
+      - name: sig-azure-api-reviews
+        description: API Changes and Reviews
+      - name: sig-azure-bugs
+        description: Bug Triage and Troubleshooting
+      - name: sig-azure-feature-requests
+        description: Feature Requests
       - name: sig-azure-misc
         description: General Discussion
+      - name: sig-azure-pr-reviews
+        description: PR Reviews
+      - name: sig-azure-proposals
+        description: Design Proposals
+      - name: sig-azure-test-failures
+        description: Test Failures and Triage
     subprojects:
     - name: cloud-provider-azure
       owners: