tag_name is now a required parameter for release creation

Author: larskanis

lib/ruby_installer/build/release.rb

@@ -97,7 +97,7 @@ def upload_to_github(tag:, repo:, token: nil, files:)
       release = client.update_release(release.url, name: headline, body: body)
     else
       release = client.create_release(repo, tag,
-          target_commitish: tag,
+          tag_name: tag,
           name: headline,
           body: body,
           draft: true,