Adding new version of SuperclusterDNN model v3

[gsokmen]

This PR adds a new version of the SuperclusterDNN model as v3 for DNN based superclustering for TICLv5. Includes updated features and improved architecture over previous version

[cmsbuild]

A new Pull Request was created by @gsokmen for branch master.

@Moanwar, @akritkbehera, @cmsbuild, @iarspider, @jfernan2, @mandrenguyen, @smuzaffar, @srimanob, @subirsarkar can you please review it and eventually sign? Thanks.
@ftenchini, @mandrenguyen, @sextonkennedy you are the release manager for this.
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[cmsbuild]

cms-bot internal usage

[Moanwar]

Hello, I understand from the description that this model comes with new features and an improved architecture. Should we expect another PR within TICL to test and run this model?

[gsokmen]

Hi! Yes, another PR in TICL will be ready this afternoon.

[cmsbuild]

REMINDER @sextonkennedy, @mandrenguyen, @ftenchini: This PR was tested with cms-sw/cmssw#48811, please check if they should be merged together

[mandrenguyen]

+1
tested with cms-sw/cmssw#48811

[mandrenguyen]

merge