Merge branch 'vNext' into teodosiah/add-multiplecascade-to-tree-grid-selection-sample

Author: DiyanDimitrov

package-lock.json

@@ -58,7 +58,7 @@
     "domino": "^2.1.4",
     "file-saver": "^2.0.2",
     "hammerjs": "^2.0.8",
-    "igniteui-angular": "^11.1.0-alpha.8",
+    "igniteui-angular": "^11.1.0-beta.1",
     "igniteui-angular-charts": "^10.1.4",
     "igniteui-angular-core": "^10.1.4",
     "igniteui-angular-excel": "^9.1.2",