message: fix(docs-infra): move security anchors outside callout elements
  two callout elements in the security guide have anchors
  as their first child element instead of the callout's header
  causing ugly/unwanted spacing, move the anchors above the
  callout elements to fix such issue
  PR Close
diff: @@ -8,9 +8,10 @@ For more information about the attacks and mitigations described below, see [OWA
  You can run the <live-example></live-example> in Stackblitz and download the code from there.
  +{@a report-issues}
  +
  <div class="callout is-important">
  -{@a report-issues}
  <header>Reporting vulnerabilities</header>
  To report vulnerabilities in Angular itself, email us at [security@angular.io](mailto:security@angular.io).
  @@ -20,9 +21,10 @@ philosophy](https://www.google.com/about/appsecurity/).
  </div>
  +{@a best-practices}
  +
  <div class="callout is-helpful">
  -{@a best-practices}
  <header>Best practices</header>
  * **Keep current with the latest Angular library releases.**
  