[ROOT6] Updated root to tip of branch master

[iarspider]

No description provided.

[iarspider]

please test

[cmsbuild]

A new Pull Request was created by @iarspider for branch IB/CMSSW_15_1_X/rootmaster.

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

[cmsbuild]

cms-bot internal usage

[cmsbuild]

+1

Summary: https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-6564fa/44842/summary.html
COMMIT: f6d3e6f
CMSSW: CMSSW_15_1_ROOT6_X_2025-03-06-2300/el8_amd64_gcc12
User test area: For local testing, you can use /cvmfs/cms-ci.cern.ch/week1/cms-sw/cmsdist/9735/44842/install.sh to create a dev area with all the needed externals and cmssw changes.

The following merge commits were also included on top of IB + this PR after doing git cms-merge-topic:

• @cms-sw Update tag for Geometry-TestReference to V00-17-00 #9734

You can see more details here:
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-6564fa/44842/git-recent-commits.json
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-6564fa/44842/git-merge-result

Comparison Summary

Summary:

• You potentially added 240 lines to the logs
• Reco comparison results: 941 differences found in the comparisons
• DQMHistoTests: Total files compared: 49
• DQMHistoTests: Total histograms compared: 3920300
• DQMHistoTests: Total failures: 472
• DQMHistoTests: Total nulls: 0
• DQMHistoTests: Total successes: 3919808
• DQMHistoTests: Total skipped: 20
• DQMHistoTests: Total Missing objects: 0
• DQMHistoSizes: Histogram memory added: 0.0 KiB( 48 files compared)
• Checked 214 log files, 184 edm output root files, 49 DQM output files
• TriggerResults: no differences found