v0.6.5

What's Changed

• lar: Use result from Mario's thesis by @ManuelHu in #60
• add functions to write g4gps spectra by @ManuelHu in #61
• add function to sample scintillation by @ManuelHu in #59
• Restore G4 11.0 support with units by @ManuelHu in #62
• scintillate: implement particle types as constant by @ManuelHu in #63

Full Changelog: v0.6.4...v0.6.5