fix doxygen for new Eigen

Author: SteveBronder

doxygen/doxygen.cfg

@@ -2292,7 +2292,7 @@ SEARCH_INCLUDES        = YES
 
 INCLUDE_PATH           = ./ \
                          lib/tbb_2020.3/include \
-                         lib/eigen_3.4.0 \
+                         lib/eigen_5.0.1 \
                          lib/sundials_6.1.1/include \
                          lib/sundials_6.1.1/src/sundials \
                          lib/opencl_3.0.0 \