[RF] RooFit open issues and backports for 6.26.02 release

[guitargeek]

The related issues for the previous 6.26 releases:

1. [RF] RooFit open issues and backports for 6.26.00 release #9508

The bugfix PRs that need to be backported in this order to the 6.26 branch before the 6.26.02 patch release:

• [RF] Fix RooDataHist interpolation for larger interpolation order #9984
• [RF] Guard debugging code to avoid warning #9981
• [RF] Some small roofit improvements: #10053
• [RF] CUDA API backwards compatible call to cudaStreamWaitEvent #10051
• [RF] Make RooAbsReal::getValues use the batch mode via RooFitDriver #9986
• [RF] Consistently do bin width correction when creating a RooHist from a TH1 #10070
• [RF] add missing include in RooFitDriver.cxx #10093
• [RF] Avoid any dependencies of RooFitHS3 for dictionary generation and update HistFactory::JSONTool interface #10082
• [RF] Correctly treat variables with integer names in RooFormula #10105
• [cmake] Don't use ZMQ C++ headers from the system if ZMQ is too old #10111
• [RF] Fix recently-introduced hash table bug in RooLinkedList #10158
• [RF] Build HistFactory also with xml=OFF, only excluding hist2workspace #10104
• [RF] Remove integration code from RooEffProd #10100
• [RF] Implement SumW2 correction in new BatchMode with RooFitDriver #10229
• [RF] Exclude categories from overlap checks in multi-range fits #10256
• [RF] Add flag to globally enable or disable all RooBinWidthFunctions #10213
• [RF] Fixup to ignoring categories in overlap check in RooFitHelpers #10270
• [RF] Fix debug build with C++14 #10263
• [RF] RooBinSamplingPdf fixes to re-enable IntegrateBins_SubRange test #10269
• [RF] Fix architecture logging RooFitDriver #10352
• [RF] Move RooMath from RooBatchCompute back into RooFitCore #10359
• [RF] Don't used fixed-size stack arrays in RooBatchCompute in CPU case #10362
• [RF] Added missing snapshot creation #10293

The backports were grouped in a few PRs to v6-26-00-patches:

1. [v626][RF] Backports of RooFit PRs to v6-26-00-patches: Part 8 #10114
2. [v626][RF] Backports of RooFit PRs to v6-26-00-patches: Part 9 #10252
3. [v626][RF] Backports of RooFit PRs to v6-26-00-patches: Part 10 #10367
4. [v626][RF] Backports of RooFit PRs to v6-26-00-patches: Part 11 #10376

[guitargeek]

The patch release happened now and the issue can be closed.