fix(deps): update angularmaterial monorepo to v8.1.2

Author: renovate-bot

frontend/package.json

@@ -17,14 +17,14 @@
   },
   "dependencies": {
     "@angular/animations": "8.1.2",
-    "@angular/cdk": "8.1.1",
+    "@angular/cdk": "8.1.2",
     "@angular/common": "8.1.2",
     "@angular/compiler": "8.1.2",
     "@angular/core": "8.1.2",
     "@angular/flex-layout": "7.0.0-beta.24",
     "@angular/forms": "8.1.2",
     "@angular/http": "7.2.15",
-    "@angular/material": "8.1.1",
+    "@angular/material": "8.1.2",
     "@angular/platform-browser": "8.1.2",
     "@angular/platform-browser-dynamic": "8.1.2",
     "@angular/router": "8.1.2",