Update JamesIves/github-pages-deploy-action action to v4.6.0

Author: renovate[bot]

.github/workflows/site.yaml

@@ -25,7 +25,7 @@ jobs:
           CI_DEPLOY_USERNAME: ${{ secrets.CI_DEPLOY_USERNAME }}
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
       - name: Deploy Site to gh-pages
-        uses: JamesIves/github-pages-deploy-action@v4.5.0
+        uses: JamesIves/github-pages-deploy-action@v4.6.0
         with:
           ssh-key: true
           branch: gh-pages