build(deps): bump pug from 2.0.4 to 3.0.1

Bumps [pug](https://github.com/pugjs/pug) from 2.0.4 to 3.0.1.
- [Release notes](https://github.com/pugjs/pug/releases)
- [Commits](https://github.com/pugjs/pug/compare/[email protected]@3.0.1)

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

package.json

@@ -109,7 +109,7 @@
     "htmltidy": "^0.0.6",
     "joi": "^13.2.0",
     "js-yaml": "^3.11.0",
-    "pug": "^2.0.3",
+    "pug": "^3.0.1",
     "write": "^1.0.3"
   },
   "devDependencies": {