Update the Acts build

[fwyzard]

Update the Acts build:

• include the Traccc test data in a dedicated package;
• use pybind11 from the CMS distribution;
• build the Acts FastJet plug-in;
• build the Acts and Traccc tests.

[fwyzard]

please test

[cmsbuild]

A new Pull Request was created by @fwyzard for branch IB/CMSSW_16_1_X/master.

@akritkbehera, @iarspider, @raoatifshad, @smuzaffar can you please review it and eventually sign? Thanks.
@ftenchini, @mandrenguyen, @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-ef9d86/51968/summary.html
COMMIT: 24a11a7
CMSSW: CMSSW_16_1_X_2026-03-15-0000/el8_amd64_gcc13
User test area: For local testing, you can use /cvmfs/cms-ci.cern.ch/week1/cms-sw/cmsdist/10421/51968/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:

• @fwyzard Add missing dependency on compression libraries #10416
• @cms-sw cms-common: cmsset_default fixes for bash #10419
• @fwyzard Update OpenMPI to v5.0.10 #10418

You can see more details here:
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-ef9d86/51968/git-recent-commits.json
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-ef9d86/51968/git-merge-result

Comparison Summary

Summary:

• No significant changes to the logs found
• Reco comparison results: 10 differences found in the comparisons
• DQMHistoTests: Total files compared: 53
• DQMHistoTests: Total histograms compared: 4185208
• DQMHistoTests: Total failures: 50
• DQMHistoTests: Total nulls: 0
• DQMHistoTests: Total successes: 4185138
• DQMHistoTests: Total skipped: 20
• DQMHistoTests: Total Missing objects: 0
• DQMHistoSizes: Histogram memory added: 0.0 KiB( 52 files compared)
• Checked 227 log files, 198 edm output root files, 53 DQM output files
• TriggerResults: no differences found