[1.x] Add method to fix octane route caching. (#659)

* add getRoutes to the providesRouting Trait

* Update ProvidesRouting.php

---------

Co-authored-by: charlesbilbo <c.bilbo@rxmg.com>
Co-authored-by: Taylor Otwell <taylor@laravel.com>

src/Concerns/ProvidesRouting.php

@@ -52,4 +52,14 @@ public function invokeRoute(Request $request, string $method, string $uri): Resp
     {
         return call_user_func($this->routes[$method.$uri], $request);
     }
+
+    /**
+     * Get the registered Octane routes.
+     *
+     * @return array
+     */
+    public function getRoutes(): array
+    {
+        return $this->routes;
+    }
 }