ci: add a wait before next step

.github/workflows/publish-charts.yml

@@ -51,6 +51,22 @@ jobs:
           rm -rf ./helm/operator
           rm -rf ./helm/updater
 
+      - name: Wait for gh-pages to be up to date
+        run: |
+          URL="https://element-hq.github.io/ess-starter-edition-core/element-operator-${VERSION}.tar.gz"
+          STATUS=0
+
+          while [ $STATUS -ne 200 ]; do
+              echo "Checking URL: $URL"
+              STATUS=$(curl -s -o /dev/null -w "%{http_code}" $URL)
+              if [ $STATUS -ne 200 ]; then
+                  echo "Status: $STATUS. Not 200 OK, retrying in 5 seconds..."
+                  sleep 5
+              else
+                  echo "Status: $STATUS. URL is accessible."
+              fi
+          done
+
       - name: Run chart-releaser
         uses: element-hq/chart-releaser-action@1389a6afc9af1b11ab9e79267f371d694e4995b2
         env: