[15_1_X] Add Run3_2025_NEON in Eras.py

[stahlleiton]

backport of #49240

@mandrenguyen

[cmsbuild]

A new Pull Request was created by @stahlleiton for CMSSW_15_1_X.

It involves the following packages:

• Configuration/StandardSequences (operations)

@cmsbuild, @davidlange6, @fabiocos, @ftenchini, @mandrenguyen can you please review it and eventually sign? Thanks.
@GiacomoSguazzoni, @Martin-Grunewald, @VinInn, @VourMa, @dgulhan, @elusian, @fabiocos, @felicepantaleo, @makortel, @mmasciov, @mmusich, @mtosi, @rovere, @sameasy, @slomeo this is something you requested to watch as well.
@ftenchini, @mandrenguyen, @sextonkennedy you are the release manager for this.

cms-bot commands are listed here

• Backported from Add Run3_2025_NEON in Eras.py #49240

[cmsbuild]

cms-bot internal usage

[mandrenguyen]

please test

[cmsbuild]

+1

Size: This PR adds an extra 20KB to repository
Summary: https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-e5ef06/48885/summary.html
COMMIT: 871f84a
CMSSW: CMSSW_15_1_X_2025-10-29-1100/el8_amd64_gcc12
User test area: For local testing, you can use /cvmfs/cms-ci.cern.ch/week1/cms-sw/cmssw/49242/48885/install.sh to create a dev area with all the needed externals and cmssw changes.

Comparison Summary

Summary:

• You potentially added 1 lines to the logs
• Reco comparison results: 10 differences found in the comparisons
• DQMHistoTests: Total files compared: 50
• DQMHistoTests: Total histograms compared: 4124047
• DQMHistoTests: Total failures: 36
• DQMHistoTests: Total nulls: 0
• DQMHistoTests: Total successes: 4123991
• DQMHistoTests: Total skipped: 20
• DQMHistoTests: Total Missing objects: 0
• DQMHistoSizes: Histogram memory added: 0.0 KiB( 49 files compared)
• Checked 215 log files, 184 edm output root files, 50 DQM output files
• TriggerResults: no differences found

[mandrenguyen]

+1

[cmsbuild]

This pull request is fully signed and it will be integrated in one of the next CMSSW_15_1_X IBs (tests are also fine) and once validation in the development release cycle CMSSW_16_0_X is complete. This pull request will be automatically merged.