Merge pull request #205337 from Radvendii/patch-1

ruby: add `buildGems` to passthru

pkgs/development/interpreters/ruby/default.nix

···
             inherit lib stdenv makeWrapper buildRubyGem buildEnv;
             gemConfig = defaultGemConfig;
             ruby = self;
-          }) withPackages gems;
+          }) withPackages buildGems gems;
 
         } // lib.optionalAttrs useBaseRuby {
           inherit baseRuby;