Bump pug from 3.0.2 to 3.0.3 in /example/fastify-pov (#78)

Bumps [pug](https://github.com/pugjs/pug) from 3.0.2 to 3.0.3.
- [Release notes](https://github.com/pugjs/pug/releases)
- [Commits](https://github.com/pugjs/pug/compare/[email protected]@3.0.3)

---
updated-dependencies:
- dependency-name: pug
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

example/fastify-pov/package.json

@@ -9,7 +9,7 @@
   "dependencies": {
     "fastify": "3.18.0",
     "point-of-view": "4.15.0",
-    "pug": "3.0.2",
+    "pug": "3.0.3",
     "i18next": "20.3.2",
     "i18next-http-middleware": "3.1.4",
     "i18next-fs-backend": "1.1.1"