docs: create an automated changlog file that shows up in release files

on  merge to develop/ami release success

Author: samrose

.github/workflows/ami-release-nix.yml

@@ -164,12 +164,17 @@ jobs:
           aws s3 cp /tmp/pg_binaries.tar.gz s3://${{ secrets.PROD_ARTIFACTS_BUCKET }}/upgrades/postgres/supabase-postgres-${{ steps.process_release_version.outputs.version }}/24.04.tar.gz
           aws s3 cp /tmp/pg_binaries.tar.gz s3://${{ secrets.PROD_ARTIFACTS_BUCKET }}/upgrades/postgres/supabase-postgres-${{ steps.process_release_version.outputs.version }}/upgrade_bundle.tar.gz
 
+      - name: Generate Changelog
+        run: |
+          nix run nixpkgs#git-cliff -- --tag-pattern "^[0-9]+\.[0-9]+\.[0-9]+\.[0-9]{3}(-orioledb)?$" --tag "$(git describe --tags --abbrev=0)" -o CHANGELOG.md
+
       - name: Create release
         uses: softprops/action-gh-release@v2
         with:
           name: ${{ steps.process_release_version.outputs.version }}
           tag_name: ${{ steps.process_release_version.outputs.version }}
           target_commitish: ${{github.sha}}
+          files: CHANGELOG.md
 
       - name: Slack Notification on Failure
         if: ${{ failure() }}