chore: switch geant4 to qt6

This PR switches geant4 visualization from Qt5 to Qt6, taking the installation of Qt from 270 MB down to 70 MB.

assigned to @wdconinc

added 1 commit

• 68e29103 - fix: require geant4 +opengl in eic_xl

Compare with previous version

added 5 commits

• 26fcd2f8 - 1 commit from branch master
• 6906724f - chore: spack: geant4: add v11.2.2, incl g4ndl v4.7.1; support Qt5 and Qt6
• 6ade4c6b - chore: qmake: require: qt-base
• 2c0dbdf9 - chore: spack: qt-*: add v6.7.1, v6.7.2
• 5ab3ef73 - fix: require geant4 +opengl in eic_xl

Compare with previous version

added 5 commits

• 4b73039d - 1 commit from branch master
• d23d8f83 - chore: spack: geant4: add v11.2.2, incl g4ndl v4.7.1; support Qt5 and Qt6
• 57e6b308 - chore: qmake: require: qt-base
• 7393065e - chore: spack: qt-*: add v6.7.1, v6.7.2
• 8af71cc4 - fix: require geant4 +opengl in eic_xl

Compare with previous version

enabled an automatic merge when the pipeline for 8af71cc4 succeeds

aborted the automatic merge because target branch was updated

added 5 commits

• bf6fcfc4 - 1 commit from branch master
• 9caf2fd6 - chore: spack: geant4: add v11.2.2, incl g4ndl v4.7.1; support Qt5 and Qt6
• 66c4ed39 - chore: qmake: require: qt-base
• 4b086381 - chore: spack: qt-*: add v6.7.1, v6.7.2
• 5f569d07 - fix: require geant4 +opengl in eic_xl

Compare with previous version

merged