Update .openpublishing.redirection.json

Author: anandmeg

.openpublishing.redirection.json

@@ -1000,6 +1000,11 @@
       "redirect_url": "/visualstudio/ide/understanding-build-configurations",
       "redirect_document_id": false
     },
+    {
+      "source_path": "docs/ide/copilot-free-plan.md",
+      "redirect_url": "/visualstudio/ide/visual-studio-github-copilot-install-and-states",
+      "redirect_document_id": false
+    },
     {
       "source_path": "docs/msbuild/logging-in-a-multi-processor-environment.md",
       "redirect_url": "/visualstudio/msbuild/writing-multi-processor-aware-loggers",