[workflow] Fix action reference in publish-website

Author: mshroyer

.github/workflows/publish-web.yml

@@ -15,7 +15,7 @@ jobs:
           submodules: true
 
       - name: Build website
-        uses: .github/actions/web
+        uses: ./.github/actions/web
 
       - name: Publish to S3
         run: |