ci(publish): remove packing step

luarocks upload packs it for us

Author: goldenstein64

.github/workflows/publish.yml

@@ -22,9 +22,6 @@ jobs:
       - name: Set up LuaRocks
         uses: leafo/gh-actions-luarocks@v5
 
-      - name: Pack Rock
-        run: luarocks pack *.rockspec
-
       - name: Publish to LuaRocks
         run: luarocks upload --api-key=${{ secrets.LUAROCKS_API_KEY }} *.rockspec