build(deps): bump actions/deploy-pages from 2.0.3 to 2.0.4

Bumps [actions/deploy-pages](https://github.com/actions/deploy-pages) from 2.0.3 to 2.0.4.
- [Release notes](https://github.com/actions/deploy-pages/releases)
- [Commits](actions/deploy-pages@12ab2b1...9dbe382)

---
updated-dependencies:
- dependency-name: actions/deploy-pages
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

.github/workflows/docs.yml

@@ -47,4 +47,4 @@ jobs:
       url: ${{ steps.deployment.outputs.page_url }}
     steps:
       - id: deployment
-        uses: actions/deploy-pages@12ab2b16cf43a7a061fe99da74b6f8f11fb77f5b # v2.0.3
+        uses: actions/deploy-pages@9dbe3824824f8a1377b8e298bafde1a50ede43e5 # v2.0.4