Merge branch 'sstoychev/update-to-alpha' of https://github.com/IgniteUI/igniteui-angular-samples into propose-changes

Author: zdrawku

angular.json

@@ -33,7 +33,7 @@
             "progress": true,
             "stylePreprocessorOptions": {
                 "includePaths": ["node_modules"]
-            },
+            }
           },
           "configurations": {
             "production": {

package-lock.json

@@ -66,7 +66,7 @@
     "bootstrap": "^5.2.3",
     "file-saver": "^2.0.2",
     "hammerjs": "^2.0.8",
-    "igniteui-angular": "^15.1.0-alpha.1",
+    "igniteui-angular": "^15.1.0-rc.0",
     "igniteui-angular-charts": "^15.0.0",
     "igniteui-angular-core": "^15.0.0",
     "igniteui-angular-i18n": "^15.0.15",
@@ -112,4 +112,4 @@
     "typescript": "4.9.5",
     "webpack-bundle-analyzer": "^4.5.0"
   }
-}
+}