build(deps): add fenetikm/autoload-drupal

Add this so Phpactor will generate test classes.

composer.json

@@ -12,8 +12,12 @@
         {
             "type": "composer",
             "url": "https://packages.drupal.org/8"
+        },
+        {
+            "type": "vcs",
+            "url": "https://github.com/opdavies/autoload-drupal"
         }
-    ],
+   ],
     "require": {
         "composer/installers": "^1.9",
         "drupal/core-composer-scaffold": "^10",
@@ -34,10 +38,18 @@
             "drupal/core-composer-scaffold": true,
             "drupal/core-project-message": true,
             "dealerdirect/phpcodesniffer-composer-installer": true,
+            "fenetikm/autoload-drupal": true,
             "phpstan/extension-installer": true
         }
     },
     "extra": {
+        "autoload-drupal": {
+            "modules": [
+                "web/core/modules/",
+                "web/modules/contrib/",
+                "web/modules/custom/"
+            ]
+        },
         "drupal-scaffold": {
             "locations": {
                 "web-root": "web/"
@@ -96,6 +108,7 @@
     },
     "require-dev": {
         "drupal/core-dev": "^10",
+        "fenetikm/autoload-drupal": "dev-autoload-tests",
         "phpspec/prophecy-phpunit": "^2"
     }
 }