Fix adding multiple bootstrap providers with opcache (#50665)

Author: jessarcher

src/Illuminate/Support/ServiceProvider.php

@@ -493,6 +493,10 @@ public static function addProviderToBootstrapFile(string $provider, string $path
             return false;
         }
 
+        if (function_exists('opcache_invalidate')) {
+            opcache_invalidate($path, true);
+        }
+
         $providers = collect(require $path)
             ->merge([$provider])
             ->unique()