COMP: Update CMake minimum required version from 3.5 to 3.13

Discourse post: https://discourse.slicer.org/t/updating-minimum-required-version-of-cmake-to-3-13/6012

// ---------- Update MultiVolumeExplorer:

git shortlog --no-merges 0bca789..16180487
Pablo Hernandez-Cerdan (1):
      Update cmake_minimum_required to 3.13

// ---------- Update MultiVolumeImporter:

git shortlog --no-merges   e1c1cd8..ce324adb
Pablo Hernandez-Cerdan (1):
      Update cmake_minimum_required to 3.13

// ---------- Update SimpleFilters

git shortlog --no-merges   dd1e8be5..8c27c74b
Pablo Hernandez-Cerdan (1):
      Update cmake_minimum_required to 3.13

// ---------- Update OtsuThresholdImageFilter

git shortlog --no-merges  cf39e506..c14d5b8e
Pablo Hernandez-Cerdan (1):
      Update cmake_minimum_required to 3.13

// ---------- Update DataStore

git shortlog --no-merges  8053b028..5fcf3b64
Pablo Hernandez-Cerdan (1):
      Update cmake_minimum_required to 3.13

// ---------- Update CompareVolumes

git shortlog --no-merges b2a9a0d9..34f1b3da
Pablo Hernandez-Cerdan (1):
      Update cmake_minimum_required to 3.13

// ---------- Update LandmarkRegistration

git shortlog --no-merges 837e5edf..6569f69e
Pablo Hernandez-Cerdan (1):
      Update cmake_minimum_required to 3.13

Co-authored-by: Hans Johnson hans-johnson@uiowa.edu