refactor(fer-19) : url de base unique pour le pont-bascule

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

config/services.yaml

@@ -24,7 +24,7 @@ services:
 
     App\Service\PontBasculeService:
         arguments:
-            $endpoint: '%env(PONT_BASCULE_URL)%'
+            $baseUrl: '%env(PONT_BASCULE_BASE_URL)%'
             $bypass: '%env(bool:PONT_BASCULE_BYPASS)%'
 
     # add more service definitions when explicit configuration is needed