chore: bump version to 5.2.4 (#407)

Author: tinayuangao

package.json

@@ -20,14 +20,14 @@
   "private": true,
   "dependencies": {
     "@angular/animations": "^5.2.1",
-    "@angular/cdk": "^5.2.1",
+    "@angular/cdk": "^5.2.4",
     "@angular/common": "^5.2.1",
     "@angular/compiler": "^5.2.1",
     "@angular/core": "^5.2.1",
     "@angular/forms": "^5.2.1",
     "@angular/http": "^5.2.1",
-    "@angular/material": "^5.2.1",
-    "@angular/material-moment-adapter": "^5.2.1",
+    "@angular/material": "^5.2.4",
+    "@angular/material-moment-adapter": "^5.2.4",
     "@angular/platform-browser": "^5.2.1",
     "@angular/platform-browser-dynamic": "^5.2.1",
     "@angular/router": "^5.2.1",

src/app/shared/stackblitz/stackblitz-writer.ts

@@ -21,7 +21,7 @@ const TEMPLATE_FILES = [
 
 const TAGS: string[] = ['angular', 'material', 'example'];
 const angularVersion = '^5.0.0';
-const materialVersion = '5.2.1';
+const materialVersion = '5.2.4';
 
 const dependencies = {
   '@angular/cdk': materialVersion,