Update nuget.yaml

Author: IrishBruse

.github/workflows/nuget.yaml

@@ -56,5 +56,5 @@ jobs:
           gh release create "v${{inputs.version}}" \
               --repo="$GITHUB_REPOSITORY" \
               --title="v${{inputs.version}}" \
-              --notes="https://ldtk.ethanconneely.com/Changelog"
+              --notes="https://ldtk.ethanconneely.com/Changelog" \
               --generate-notes