[6.x] support Laravel 10.x

Author: jonnott

README.markdown

@@ -6,7 +6,7 @@
 
 This is a Laravel 4-8 package for working with trees in relational databases.
 
-*   **Laravel 8.0** is supported since v6
+*   **Laravel 8.0, 9.0, 10.0** is supported since v6
 *   **Laravel 5.7, 5.8, 6.0, 7.0** is supported since v5
 *   **Laravel 5.5, 5.6** is supported since v4.3
 *   **Laravel 5.2, 5.3, 5.4** is supported since v4

composer.json

@@ -13,9 +13,9 @@
 
     "require": {
         "php": "^7.2.5|^8.0",
-        "illuminate/support": "^7.0|^8.0|^9.0",
-        "illuminate/database": "^7.0|^8.0|^9.0",
-        "illuminate/events": "^7.0|^8.0|^9.0"
+        "illuminate/support": "^7.0|^8.0|^9.0|^10.0",
+        "illuminate/database": "^7.0|^8.0|^9.0|^10.0",
+        "illuminate/events": "^7.0|^8.0|^9.0|^10.0"
     },
 
     "autoload": {