feat: merge api (#658)

.github/workflows/check.yaml

@@ -18,7 +18,6 @@ jobs:
 
     env:
       REACT_APP_BEE_HOST: https://api.test-node.staging.ethswarm.org/
-      REACT_APP_BEE_DEBUG_HOST: https://debug.test-node.staging.ethswarm.org/
 
     steps:
       - uses: actions/checkout@v2
@@ -77,7 +76,7 @@ jobs:
           bee-url: https://unlimited.gateway.ethswarm.org
           token: ${{ secrets.GHA_PAT_BASIC }}
           error-document: index.html
-          headers: "${{ secrets.GATEWAY_AUTHORIZATION_HEADER }}"
+          headers: '${{ secrets.GATEWAY_AUTHORIZATION_HEADER }}'
 
       - name: Upload to testnet
         uses: ethersphere/swarm-actions/upload-dir@v0