Shashlik geometry

[ianna]

• Shashlik envelope volume defined in 2023 geometry scenario
• Extended2023SHCal naming convention is used for geometry scenario with Shashlik

Note: it includes previously published pfcal-geometry and hgcal-geometry branches which are needed for this branch.

[ianna]

+1

[cmsbuild]

A new Pull Request was created by @ianna for CMSSW_6_2_X_SLHC.

Shashlik geometry

It involves the following packages:

Geometry/HGCalCommonData
Configuration/Geometry
Geometry/CMSCommonData

The following packages do not have a category, yet:

Geometry/HGCalCommonData

@cmsbuild, @nclopezo, @ktf can you please review it and eventually sign? Thanks.
@ghellwig this is something you requested to watch as well.
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@davidlange6 you are the release manager for this.