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/pug@2.0.4...pug@3.0.1)

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

package.json

@@ -18,7 +18,7 @@
     "node-sass": "^4.13.0",
     "npm-run-all": "^4.1.5",
     "parcel-bundler": "1.12.4",
-    "pug": "^2.0.4",
+    "pug": "^3.0.1",
     "read-config": "^2.0.0"
   },
   "scripts": {