Bump nwtgck/actions-netlify from 2 to 3 (#922)

Bumps [nwtgck/actions-netlify](https://github.com/nwtgck/actions-netlify) from 2 to 3.
- [Release notes](https://github.com/nwtgck/actions-netlify/releases)
- [Changelog](https://github.com/nwtgck/actions-netlify/blob/develop/CHANGELOG.md)
- [Commits](nwtgck/actions-netlify@v2...v3)

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

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

.github/workflows/pkgdown.yaml

@@ -71,7 +71,7 @@ jobs:
       - name: Deploy to Netlify
         if: contains(env.isPR, 'true')
         id: netlify-deploy
-        uses: nwtgck/actions-netlify@v2
+        uses: nwtgck/actions-netlify@v3
         with:
           publish-dir: './docs'
           production-branch: main-R