refactor: use container dependency injection

following @kjohnson instructions

src/Donations/Endpoints/ListDonations.php

@@ -12,6 +12,9 @@
 use WP_REST_Request;
 use WP_REST_Response;
 
+/**
+ * @unreleased The class is extendable
+ */
 class ListDonations extends Endpoint
 {
     /**
@@ -29,6 +32,15 @@ class ListDonations extends Endpoint
      */
     protected $listTable;
 
+    /**
+     * @unreleased
+     * @access public
+     */
+    public function __construct(DonationsListTable $listTable)
+    {
+        $this->listTable = $listTable;
+    }
+
     /**
      * @inheritDoc
      */
@@ -119,7 +131,6 @@ public function registerRoute()
     }
 
     /**
-     * @unreleased Make the class extendable
      * @since 2.24.0 Change this to use the new ListTable class
      * @since      2.20.0
      *
@@ -130,7 +141,6 @@ public function registerRoute()
      */
     public function handleRequest(WP_REST_Request $request): WP_REST_Response
     {
-        $this->init();
         $this->request = $request;
 
         $donations = $this->getDonations();
@@ -153,16 +163,6 @@ public function handleRequest(WP_REST_Request $request): WP_REST_Response
         );
     }
 
-    /**
-     * Initialize which list table to use.
-     *
-     * @unreleased
-     */
-    protected function init ()
-    {
-        $this->listTable = give(DonationsListTable::class);
-    }
-
     /**
      * @since 2.24.0 Replace Query Builder with Donations model
      * @since 2.21.0
@@ -220,7 +220,6 @@ public function getTotalDonationsCount(): int
     }
 
     /**
-     * @unreleased Make the class extendable
      * @since 3.2.0 Updated query to account for possible null and empty values for _give_payment_mode meta
      * @since 2.24.0 Remove joins as it uses ModelQueryBuilder and change clauses to use attach_meta
      * @since      2.21.0