Bump to v21.0.2

Author: cebor

projects/angular-highcharts/package.json

@@ -1,6 +1,6 @@
 {
   "name": "angular-highcharts",
-  "version": "21.0.1",
+  "version": "21.0.2",
   "author": "Felix Itzenplitz",
   "repository": {
     "type": "git",