ci: pin github-pages-deploy-action to sha1
diff --git a/.github/workflows/deploy.yml b/.github/workflows/deploy.yml
index 9d86ef7..cee858a 100644
--- a/.github/workflows/deploy.yml
+++ b/.github/workflows/deploy.yml
@@ -34,7 +34,7 @@
         run: npm run build:prod
 
       - name: Deploy
-        uses: JamesIves/github-pages-deploy-action@4.1.4
+        uses: JamesIves/github-pages-deploy-action@5dc1d5a192aeb5ab5b7d5a77b7d36aea4a7f5c92
         with:
           ACCESS_TOKEN: ${{ secrets.GITHUB_TOKEN }}
           BRANCH: asf-site