Merge pull request #450 from agda/dependabot/github_actions/JamesIves/github-pages-deploy-action-4.7.3

Bump JamesIves/github-pages-deploy-action from 4.7.2 to 4.7.3

Author: JacquesCarette

.github/workflows/ci-ubuntu.yml

@@ -186,7 +186,7 @@ jobs:
 ########################################################################
 
       - name: Deploy HTML
-        uses: JamesIves/github-pages-deploy-action@v4.7.2
+        uses: JamesIves/github-pages-deploy-action@v4.7.3
         if: ${{ success() && env.AGDA_DEPLOY }}
         with:
           branch: gh-pages