fix(labs): card content not clickable with outline fix

Fixes #5312

PiperOrigin-RevId: 592594621

Author: asyncLiz

labs/card/internal/_shared.scss

@@ -23,6 +23,7 @@
   .outline {
     border-radius: inherit;
     inset: 0;
+    pointer-events: none;
     position: absolute;
   }