Merge pull request #11 from digitalutsc/d11-update

Added D11 compatibility

libcal.info.yml

 name: 'LibCal Integration'
 type: module
 description: 'This module is integrate Libcal API and feed to drupal'
-core_version_requirement: ^8.8 || ^9 || ^10
+core_version_requirement: ^8.8 || ^9 || ^10 || ^11
 package: DSU
 dependencies:
   - menu_ui:menu_ui