ci: publish ClnRpc nuget image with tag

Author: joemphilips

.github/workflows/publish.yml

@@ -125,13 +125,23 @@ jobs:
           asset_name: DotNetLightning-${{ matrix.RID }}.${{ steps.get_version.outputs.VERSION }}.nupkg
           asset_content_type: application/zip
 
-    - name: Upload nuget packages (DotNetLightning.ClnRpc)
-      if: startsWith(matrix.os, 'ubuntu')
-      run: |
-        dotnet pack -p:Configuration=Release src/DotNetLightning.ClnRpc -p:Portability=True
-        if [ ${{ secrets.NUGET_API_KEY }} ]; then
-          dotnet nuget push ./src/DotNetLightning.ClnRpc/bin/Release/DotNetLightning.ClnRpc.${{ steps.get_version.outputs.VERSION }}.nupkg -k ${{ secrets.NUGET_API_KEY }} -s https://api.nuget.org/v3/index.json
-        fi
+      - name: Upload nuget packages (DotNetLightning.ClnRpc)
+        if: startsWith(matrix.os, 'ubuntu')
+        run: |
+          dotnet pack -p:Configuration=Release src/DotNetLightning.ClnRpc -p:Portability=True
+          if [ ${{ secrets.NUGET_API_KEY }} ]; then
+            dotnet nuget push ./src/DotNetLightning.ClnRpc/bin/Release/DotNetLightning.ClnRpc.${{ steps.get_version.outputs.VERSION }}.nupkg -k ${{ secrets.NUGET_API_KEY }} -s https://api.nuget.org/v3/index.json
+          fi
+      - name: upload release asset (DotNetLightning.ClnRpc)
+        if: startsWith(matrix.os, 'ubuntu-20')
+        uses: actions/upload-release-asset@v1
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        with:
+          upload_url: ${{ steps.upload-url.outputs.url }}
+          asset_path: ./src/DotNetLightning.ClnRpc/bin/Release/DotNetLightning.ClnRpc.${{ steps.get_version.outputs.VERSION }}.nupkg
+          asset_name: DotNetLightning.ClnRpc-multiplatform.${{ steps.get_version.outputs.VERSION }}.nupkg
+          asset_content_type: application/zip
 
 
   pack_and_push_prerelease: