[13_0_X] Bumped CepGen version to 1.2.3

[forthommel]

This PR bumps the version of CepGen to 1.2.3.
Changelog is available here.

[cmsbuild]

A new Pull Request was created by @forthommel for branch IB/CMSSW_13_0_X/master.

@iarspider, @cmsbuild, @smuzaffar, @aandvalenzuela can you please review it and eventually sign? Thanks.
@sextonkennedy, @antoniovilela, @rappoccio you are the release manager for this.
cms-bot commands are listed here

[cmsbuild]

cms-bot internal usage

[cmsbuild]

REMINDER @sextonkennedy, @rappoccio, @antoniovilela: This PR was tested with cms-sw/cmssw#44649, please check if they should be merged together

[forthommel]

They should :-)

[smuzaffar]

please test with cms-sw/cmssw#44649

[cmsbuild]

+1

Summary: https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-017494/38975/summary.html
COMMIT: e6220af
CMSSW: CMSSW_13_0_X_2024-04-14-0000/el8_amd64_gcc11
User test area: For local testing, you can use /cvmfs/cms-ci.cern.ch/week1/cms-sw/cmsdist/9124/38975/install.sh to create a dev area with all the needed externals and cmssw changes.

Comparison Summary

Summary:

• You potentially added 57 lines to the logs
• Reco comparison results: 9 differences found in the comparisons
• DQMHistoTests: Total files compared: 49
• DQMHistoTests: Total histograms compared: 3283620
• DQMHistoTests: Total failures: 9
• DQMHistoTests: Total nulls: 0
• DQMHistoTests: Total successes: 3283589
• DQMHistoTests: Total skipped: 22
• DQMHistoTests: Total Missing objects: 0
• DQMHistoSizes: Histogram memory added: 0.0 KiB( 48 files compared)
• Checked 213 log files, 164 edm output root files, 49 DQM output files
• TriggerResults: no differences found

[smuzaffar]

+externals

[cmsbuild]

This pull request is fully signed and it will be integrated in one of the next IB/CMSSW_13_0_X/master IBs (tests are also fine). This pull request will now be reviewed by the release team before it's merged. @rappoccio, @antoniovilela, @sextonkennedy (and backports should be raised in the release meeting by the corresponding L2)
Notice This PR was tested with additional Pull Request(s), please also merge them if necessary: cms-sw/cmssw#44649

[rappoccio]

+1

[rappoccio]

merge