Update release message

Author: stefanv

.github/workflows/release.yaml

@@ -144,6 +144,8 @@ jobs:
 
             You can generate a report from this data using [devstats](https://github.com/scientific-python/devstats).
 
+            Reports for some key ecosystem packages are available at https://devstats.scientific-python.org
+
             `${{ env.QUERY_FILENAME }}` contains the queries used for this release.
           tag_name: ${{ env.ISODATE }}
           files: |