Floating major version for GH pages deploy action. (JamesIves)

Author: VisruthSK

.github/workflows/pkgdown.yml

@@ -54,7 +54,7 @@ jobs:
         shell: Rscript {0}
 
       - name: Deploy to GitHub pages 🚀
-        uses: JamesIves/github-pages-deploy-action@v4.7.4
+        uses: JamesIves/github-pages-deploy-action@v4
         with:
           clean: false
           branch: gh-pages