Bump pug from 2.0.3 to 2.0.4

Bumps [pug](https://github.com/pugjs/pug) from 2.0.3 to 2.0.4.
- [Release notes](https://github.com/pugjs/pug/releases)
- [Commits](https://github.com/pugjs/pug/compare/pug@2.0.3...pug@2.0.4)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

package.json

@@ -29,7 +29,7 @@
     "node-sass": "^4.12.0",
     "npmlog": "4.1.2",
     "npx": "^10.2.0",
-    "pug": "^2.0.3",
+    "pug": "^2.0.4",
     "pug-html-loader": "1.1.5",
     "pug-lint": "^2.5.0",
     "pug-loader": "^2.4.0",