Link upstream ExternalData merge request

AnastaZIuk · AnastaZIuk · commit cffda7f58cb3 · 2026-03-13T09:13:52.000+01:00
https://gitlab.kitware.com/cmake/cmake/-/merge_requests/11814
diff --git a/README.md b/README.md
@@ -142,6 +142,7 @@ The patch is kept isolated and general-purpose on purpose so it can be
 proposed upstream to Kitware as a normal `ExternalData` improvement. Consumers
 can still fall back to the host CMake module with
 `-DNAM_USE_VENDORED_EXTERNALDATA=OFF`.
+The upstream merge request is [cmake/cmake!11814](https://gitlab.kitware.com/cmake/cmake/-/merge_requests/11814).
 
 ## Backends
 
