chore: set proper return types

src/Comment.php

@@ -132,9 +132,9 @@
      * @internal
      * @param WP_Comment $wp_comment a native WP_Comment instance
      */
-    public static function build(WP_Comment $wp_comment): self
+    public static function build(WP_Comment $wp_comment): static
     {
         $comment = new static();
         $comment->import($wp_comment);
         $comment->ID = $wp_comment->comment_ID;
         $comment->id = $wp_comment->comment_ID;

src/MenuItem.php

@@ -122,9 +122,9 @@
      * @param Menu $menu The `Menu` object the menu item is associated with.
      * @return MenuItem a new MenuItem instance
      */
-    public static function build($data, ?Menu $menu = null): self
+    public static function build($data, ?Menu $menu = null): static
     {
         return new static($data, $menu);
     }
 
     /**
@@ -140,7 +140,7 @@
         /**
          * @property string $title The nav menu item title.
          */
         $this->title = $data->title;
 
         $this->import($data);
         $this->import_classes($data);

src/Post.php

@@ -175,9 +175,9 @@
      * @internal
      * @return Post
      */
-    public static function build(WP_Post $wp_post): self
+    public static function build(WP_Post $wp_post): static
     {
         $post = new static();
 
         $post->id = $wp_post->ID;
         $post->ID = $wp_post->ID;

src/Term.php

@@ -83,9 +83,9 @@
      * @param WP_Term      $wp_term The vanilla WordPress term object to build from.
      * @return Term
      */
-    public static function build(WP_Term $wp_term): self
+    public static function build(WP_Term $wp_term): static
     {
         $term = new static();
         $term->init($wp_term);
         return $term;
     }

src/User.php

@@ -106,9 +106,9 @@
     /**
      * Build a new User object.
      */
-    public static function build(WP_User $wp_user): self
+    public static function build(WP_User $wp_user): static
     {
         $user = new static();
         $user->init($wp_user);
 
         return $user;
@@ -228,7 +228,7 @@
          * @param string       $name The name of the user. Default `display_name`.
          * @param User $user The user object.
          */
         return \apply_filters('timber/user/name', $this->display_name, $this);
     }
 
     /**