prod-202101-15: Changes to PWGHF embedding script

* clusters need to be sent per sector to prevent
  ROOT serialization problems
* tpc-reco: constrain to given number of cores
  (otherwise benchmark might be slightly wrong when
   executed on many-core architectures)

prod-202101-14

Merge pull request #12 from sawenzel/swenzel/patch2

adapt to change in interface in O2

prod-202101-11: add external trigger for prompt gamma selection (#10)

* add external trigger for prompt gamma selection

* add hook based prompt gamma trigger

* fix doxygen comment and add another detector combination

* add configuration to trigger on parton/jets minimal eta acceptance with hooks

* add configuration to trigger on high pT decay photons within detector acceptance  with external trigger

prod-202011-20: Update apt repos before installing

This should fix the error seen in
https://github.com/AliceO2Group/O2DPG/runs/1430098425.

prod-202011-06: Adjustments for PWGHF embedding benchmark

SHMSIZE adjustment (learning from first GRID exercise)

prod-202010-31

Simulation example of multiplicity-triggered Pythia8

prod-202010-02

Need to add R__ADD_INCLUDE_PATH(/include)

prod-202010-01

Use better secret name