title: Cannot upgrade Angular Material with Angular 8
body: <p>I did everything described in <a href="https://update.angular.io/" rel="nofollow noreferrer">the update guide</a> (complex app) but it was keep failing at the point of <code>ng update @angular/material</code> with the following error:</p>
  
  <pre><code>Package "@angular/flex-layout" has an incompatible peer dependency to "@angular/cdk" (requires "^7.0.0-rc.0", would install "8.0.0").
  </code></pre>