AMBARI-25946: Fix CI/CD error for Ambari WebUI Tests (#3699)

* AMBARI-25946: Fix CI/CD error for Ambari WebUI Tests

Signed-off-by: Brahma Reddy Battula <brahma@apache.org>

ambari-admin/src/main/resources/ui/admin-web/.bowerrc

@@ -1,3 +1,4 @@
 {
-    "directory": "app/bower_components"
+    "directory": "app/bower_components",
+    "registry": "https://bower.herokuapp.com"
 }

ambari-admin/src/main/resources/ui/admin-web/test/.bowerrc

@@ -1,3 +1,4 @@
 {
-    "directory": "bower_components"
-}
+    "directory": "bower_components",
+    "registry": "https://bower.herokuapp.com"
+}