Adjust the Variable types in Nav2_costmap_2d pkg in [nav2_humble] ros-navigation#3891 (ros-navigation#3900)

* image.hpp ros-navigation#3891 * Update image.hpp

Author: GoesM

nav2_costmap_2d/include/nav2_costmap_2d/denoise/image.hpp

@@ -50,7 +50,7 @@ class Image
  * Share image data between new and old object.
  * Changing data in a new object will affect the given one and vice versa
  */
- Image(Image & other);
+ Image(const Image & other);
 
  /**
  * @brief Create image from the other (move constructor)
@@ -132,7 +132,7 @@ Image<T>::Image(size_t rows, size_t columns, T * data, size_t step)
 }
 
 template<class T>
-Image<T>::Image(Image & other)
+Image<T>::Image(const Image & other)
 : data_start_{other.data_start_},
  rows_{other.rows_}, columns_{other.columns_}, step_{other.step_} {}