fix laravel-8 compatibility

src/ProcessRequestForwarder.php

@@ -16,9 +16,9 @@ class ProcessRequestForwarder implements ShouldQueue
      * Create a new job instance.
      */
     public function __construct(
-        public readonly string $url,
-        public readonly array $params,
-        public readonly ?string $webhookName = null,
+        public string $url,
+        public array $params,
+        public ?string $webhookName = null,
     ) {
     }
 

src/Providers/DefaultProvider.php

@@ -8,7 +8,7 @@
 class DefaultProvider implements ProviderInterface
 {
     public function __construct(
-        private readonly Factory $client,
+        private Factory $client,
     ) {
     }
 

src/Providers/Discord.php

@@ -8,7 +8,7 @@
 class Discord implements ProviderInterface
 {
     public function __construct(
-        private readonly Factory $client,
+        private Factory $client,
     ) {
     }
 

src/RequestForwarder.php

@@ -11,8 +11,8 @@
 class RequestForwarder
 {
     public function __construct(
-        private readonly Factory $client,
-        private readonly array $webhooks,
+        private Factory $client,
+        private array $webhooks,
     ) {
     }
 

src/RequestForwarderMiddleware.php

@@ -9,7 +9,7 @@
 class RequestForwarderMiddleware
 {
     public function __construct(
-        public readonly RequestForwarder $requestForwarder,
+        public RequestForwarder $requestForwarder,
     ) {
     }