@angular/cdk migration - migration-v13

Updates the Angular CDK to v13

Author: Zoran Liu

apps/docs/src/styles.scss

@@ -1,5 +1,5 @@
 /* You can add global styles to this file, and also import other style files */
-@import '~@angular/material/prebuilt-themes/deeppurple-amber.css';
+@import '@angular/material/prebuilt-themes/deeppurple-amber.css';
 @import './app/styles/variables.scss';
 
 html,