Support building with Eigen3 5.0.0 #558
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Original find_package usage cannot find
Eigen3 >= 5.Using a range can help as mentioned in https://libeigen.gitlab.io/eigen/docs-5.0/TopicCMakeGuide.html
However, it still needs a fallback to find 3.4.0.
EDIT: An alternative could be to run find_package unversioned and follow up with a manual version check