Added rel notes to TOC

Author: alkohli

articles/databox-online/TOC.yml

@@ -509,7 +509,9 @@
         href: azure-stack-edge-contact-microsoft-support.md 
   - name: Shared release notes
     items:
-    - name: 2205 - Current
+    - name: 2207 - Current
+      href: azure-stack-edge-gpu-2205-release-notes.md
+    - name: 2205 
       href: azure-stack-edge-gpu-2205-release-notes.md
     - name: 2203 
       href: azure-stack-edge-gpu-2203-release-notes.md