fix: update Ruby metadata to 4.0.4

Author: github-actions[bot]

README.md

@@ -466,7 +466,7 @@ console.log(detectLanguages("include/config.h").map((language) => language.slug)
 | <img src="https://cdn.simpleicons.org/pug/A86454" alt="Pug logo" width="24" height="24"> | Pug | `pug` | `.pug`, `.jade` | `3.0.4` | `code-languages/pug` |
 | <img src="https://commons.wikimedia.org/wiki/Special:FilePath/Python-logo-notext.svg" alt="Python logo" width="24" height="24"> | Python | `python` | `.py`, `.pyw` | `3.14.4` | `code-languages/python` |
 | <img src="https://www.r-project.org/logo/Rlogo.svg" alt="R logo" width="24" height="24"> | R | `r` | `.r`, `.R`, `.rmd`, `.Rmd`, `.qmd`, `.Rprofile` | `4.6.0` | `code-languages/r` |
-| <img src="https://www.ruby-lang.org/images/header-ruby-logo.png" alt="Ruby logo" width="24" height="24"> | Ruby | `ruby` | `.rb`, `.rbw`, `.rake`, `.gemspec`, `Gemfile`, `Rakefile`, `config.ru` | `4.0.3` | `code-languages/ruby` |
+| <img src="https://www.ruby-lang.org/images/header-ruby-logo.png" alt="Ruby logo" width="24" height="24"> | Ruby | `ruby` | `.rb`, `.rbw`, `.rake`, `.gemspec`, `Gemfile`, `Rakefile`, `config.ru` | `4.0.4` | `code-languages/ruby` |
 | <img src="https://www.rust-lang.org/logos/rust-logo-512x512.png" alt="Rust logo" width="24" height="24"> | Rust | `rust` | `.rs` | `1.95.0` | `code-languages/rust` |
 | <img src="https://cdn.simpleicons.org/scala/DC322F" alt="Scala logo" width="24" height="24"> | Scala | `scala` | `.scala`, `.sc` | `3.8.3` | `code-languages/scala` |
 | <img src="https://sass-lang.com/assets/img/logos/logo.svg" alt="Sass logo" width="24" height="24"> | Sass | `scss` | `.scss`, `.sass` | `1.99.0` | `code-languages/scss` |