ci: move to beeload (#84)

Author: AuHau

.github/workflows/check.yaml

@@ -64,8 +64,7 @@ jobs:
           npx link-checker --url-ignore localhost --allow-hash-href --mkdocs --http-cache /tmp/link-checker --http-always-get --http-timeout 10000 --http-redirects 5 ./build
 
       - name: Create preview
-        uses: ethersphere/swarm-preview-action@master
+        uses: ethersphere/beeload-action@v1
         with:
-          bee-url: https://bee-9.gateway.ethswarm.org
-          postage-batch-id: '0000000000000000000000000000000000000000000000000000000000000000'
+          preview: 'true'
           token: ${{ secrets.REPO_GHA_PAT }}