Fix BatchStream.hpp initialization

aidge_export_tensorrt/static/tensorrt_8.6/include/BatchStream.hpp

@@ -16,7 +16,7 @@ public:
         , _prefix(prefix)
     {
         _dims.nbDims = 4;  //The number of dimensions.
-        _dims.d[0] = 1;    //Batch Size
+        _dims.d[0] = batchSize;    //Batch Size
         _dims.d[1] = dimC; //Channels
         _dims.d[2] = dimY; //Height
         _dims.d[3] = dimX; //Width