chore: Bump MDC canary version (#2070)

Author: trimox

demos/package.json

@@ -17,7 +17,7 @@
     "@angular/platform-browser": "^9.0.0",
     "@angular/platform-browser-dynamic": "^9.0.0",
     "@angular/router": "^9.0.0",
-    "material-components-web": "5.0.0-canary.91d9d5a65.0",
+    "material-components-web": "5.0.0-canary.570d8e49c.0",
     "rxjs": "~6.5.3",
     "tslib": "^1.10.0",
     "zone.js": "~0.10.2"