Update ECS/CI for Craft 4

Author: brandonkelly

.github/workflows/ci.yml

@@ -4,6 +4,7 @@ on:
   push:
     branches:
       - main
+      - '3.0'
   pull_request:
 jobs:
   call-workflow:

ecs.php

@@ -14,5 +14,5 @@
         __FILE__,
     ]);
 
-    $containerConfigurator->import(SetList::CRAFT_CMS_3);
+    $containerConfigurator->import(SetList::CRAFT_CMS_4);
 };

src/Plugin.php

@@ -52,9 +52,9 @@
  */
 class Plugin extends \craft\base\Plugin
 {
-    const STATUS_PENDING = 'pending';
-    const STATUS_REQUESTED = 'requested';
-    const STATUS_DONE = 'done';
+    public const STATUS_PENDING = 'pending';
+    public const STATUS_REQUESTED = 'requested';
+    public const STATUS_DONE = 'done';
 
     /**
      * @event RegisterComponentTypesEvent The event that is triggered when registering filter types.
@@ -77,7 +77,7 @@ class Plugin extends \craft\base\Plugin
      * ```
      * @since 2.1.0
      */
-    const EVENT_REGISTER_FILTER_TYPES = 'registerFilterTypes';
+    public const EVENT_REGISTER_FILTER_TYPES = 'registerFilterTypes';
 
     /**
      * @inheritdoc