[10_6_X] Add correctionlib 2.1.0

[tvami]

Backport of #7515

[cmsbuild]

A new Pull Request was created by @tvami (Tamas Vami) for branch IB/CMSSW_10_6_X/gcc820.

@cmsbuild, @smuzaffar, @iarspider, @ddaina can you please review it and eventually sign? Thanks.
@perrotta, @dpiparo, @qliphy you are the release manager for this.
cms-bot commands are listed here

• Backported from Update Correctionlib to version 2.1.0 #7515

[tvami]

@cmsbuild , please test

[cmsbuild]

+1

Summary: https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-e042b1/21327/summary.html
COMMIT: dd848c5
CMSSW: CMSSW_10_6_X_2021-12-10-2300/slc7_amd64_gcc820
User test area: For local testing, you can use /cvmfs/cms-ci.cern.ch/week0/cms-sw/cmsdist/7519/21327/install.sh to create a dev area with all the needed externals and cmssw changes.

Comparison Summary

The workflows 140.53 have different files in step1_dasquery.log than the ones found in the baseline. You may want to check and retrigger the tests if necessary. You can check it in the "files" directory in the results of the comparisons

Summary:

• No significant changes to the logs found
• Reco comparison results: 48240 differences found in the comparisons
• DQMHistoTests: Total files compared: 35
• DQMHistoTests: Total histograms compared: 3215686
• DQMHistoTests: Total failures: 371529
• DQMHistoTests: Total nulls: 114
• DQMHistoTests: Total successes: 2843709
• DQMHistoTests: Total skipped: 334
• DQMHistoTests: Total Missing objects: 0
• DQMHistoSizes: Histogram memory added: -83.832 KiB( 34 files compared)
• DQMHistoSizes: changed ( 136.85 ): 0.012 KiB JetMET/SUSYDQM
• DQMHistoSizes: changed ( 140.53 ): -63.680 KiB Hcal/DigiRunHarvesting
• DQMHistoSizes: changed ( 140.53 ): -15.641 KiB Info/EventInfo
• DQMHistoSizes: changed ( 140.53 ): -1.676 KiB RPC/DCSInfo
• DQMHistoSizes: changed ( 140.53 ): -0.006 KiB SiStrip/MechanicalView
• DQMHistoSizes: changed ( 250202.181 ): -0.111 KiB SiStrip/MechanicalView
• DQMHistoSizes: changed ( 7.3 ): -2.731 KiB SiStrip/MechanicalView
• Checked 143 log files, 29 edm output root files, 35 DQM output files
• TriggerResults: found differences in 12 / 33 workflows

[tvami]

#7520 does the same, so closing this one