COMP: Fix gcc 13.2 compiler warnings

Limit possible index overflow.

In member function ‘SetVnlVector’,
    inlined from ‘_wrap_itkVectorUC2_SetVnlVector’ at ITK/cmake-build-release/Wrapping/Modules/ITKCommon/itkVectorPython.cpp:31005:0:
ITK/Modules/Core/Common/include/itkVector.hxx:160: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
  160 |     (*this)[i] = v(i);
      |
ITK/Modules/Core/Common/include/itkFixedArray.h: In function ‘_wrap_itkVectorUC2_SetVnlVector’:
ITK/Modules/Core/Common/include/itkFixedArray.h:437:10: note: at offset 2 into destination object ‘m_InternalArray’ of size 2
  437 |   CArray m_InternalArray;
      |          ^

Modules/Core/Common/include/itkVector.h

@@ -90,7 +90,8 @@ class ITK_TEMPLATE_EXPORT Vector : public FixedArray<T, VVectorDimension>
     return VVectorDimension;
   }
 
-  /** Set a vnl_vector_ref referencing the same memory block. */
+  /** Copy values from the vnl_vector input to the internal memory block.  The minimum of
+   *  VVectorDimension and vnl_vector::size() elements are copied. */
   void
   SetVnlVector(const vnl_vector<T> &);
 

Modules/Core/Common/include/itkVector.hxx

@@ -155,7 +155,8 @@ template <typename T, unsigned int TVectorDimension>
 void
 Vector<T, TVectorDimension>::SetVnlVector(const vnl_vector<T> & v)
 {
-  for (unsigned int i = 0; i < v.size(); ++i)
+  const unsigned int elements_to_copy = std::min<unsigned int>(TVectorDimension, v.size());
+  for (unsigned int i = 0; i < elements_to_copy; ++i)
   {
     (*this)[i] = v(i);
   }