build(deps): bump actions/configure-pages from 2 to 3 (#19)

Bumps [actions/configure-pages](https://github.com/actions/configure-pages) from 2 to 3.
- [Release notes](https://github.com/actions/configure-pages/releases)
- [Commits](actions/configure-pages@v2...v3)

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

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

Author: dependabot[bot]

.github/workflows/docs.yaml

@@ -29,7 +29,7 @@ jobs:
 
     - name: setup pages
       id: pages
-      uses: actions/configure-pages@v2
+      uses: actions/configure-pages@v3
 
     - name: install hunspell-en-gb
       run: sudo apt-get install -y hunspell-en-gb