message: Update vss-extension.json
  update extension version
diff: "manifestVersion": 1,
  "extensionId": "iiswebapp",
  "name": "IIS Web App Deployment Using WinRM",
  - "version": "1.5.4",
  + "version": "1.5.5",
  "publisher": "ms-vscs-rm",
  "description": "Using WinRM connect to the host Computer, to deploy a Web project using Web Deploy or a SQL DB using sqlpackage.exe.",
  "public": true,
  