buildLuarocksPackage: adjust the manifest path

the new luarocks 3.0.4 uses different paths for the manifests, hence creating new collisions.

pkgs/development/interpreters/lua-5/build-lua-package.nix

@@ -165,7 +165,7 @@ builtins.removeAttrs attrs ["disabled" "checkInputs"] // {
     # to prevent collisions when creating environments
     # also added -f as it doesn't always exist
     # don't remove the whole directory as
-    rm -rf $out/lib/luarocks/rocks/manifest
+    rm -rf $out/lib/luarocks/rocks-${lua.luaversion}/manifest
 
     runHook postInstall
   '';