science/clhep: Update version 2.4.1.0=>2.4.6.3

• httpsUpdate MASTER_SITES
• Add a test target (Note: one test fails)
• Also add math as a secondary category

Note: with this update, CLHEP could be used by science/geant4.

PR: 268571
Reported by: thierry
Relnotes: https://gitlab.cern.ch/CLHEP/CLHEP/blob/CLHEP_2_4_6_3/ChangeLog