Placed a redirect for 2307 release notes to point to 2309 release notes

Author: alkohli

.openpublishing.redirection.json

@@ -910,6 +910,13 @@
             "redirect_url": "/azure/databox-online/azure-stack-edge-powershell-based-configuration",
             "redirect_document_id": false
         },
+        {
+            "redirections": [
+                {
+                    "source_path": "articles/databox-online/azure-stack-edge-gpu-2307-release-notes.md",
+                    "redirect_url": "/azure/databox-online/azure-stack-edge-gpu-2307-release-notes",
+                    "redirect_document_id": true
+                },
         {
             "source_path": "articles/azure-video-analyzer/video-analyzer-docs/access-policies.md",
             "redirect_url": "/previous-versions/azure/azure-video-analyzer/video-analyzer-docs/access-policies",