message: fix(docs-infra): prevent framing of AIO with X-Frame-Options
  Prevent the docs site from being place in an iframe.
  PR Close
diff: // csp.withgoogle.com is Google's CSP report collecting
  // infrastructure.
  "value": "require-trusted-types-for 'script'; trusted-types angular angular#bundler angular#unsafe-bypass aio#analytics google#safe; report-uri https://csp.withgoogle.com/csp/angular.io"
  + },
  + {
  + "key": "X-Frame-Options",
  + "value": "DENY"
  }
  ]
  },
  