MC: allow ITS3 to be simulated by dpg scripts

[f3sch]

This adds the ability to specify the detectorList and also substitutes relevant parameters to easily setup ITS3 simulations

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[sawenzel]

@f3sch: I will need some time to review this. Do you have an example where and how this is used?

[f3sch]

Hi, I am running it locally like this:

${O2DPG_ROOT}/MC/bin/o2dpg_sim_workflow.py -eCM 13600 -seed 42 -col pp -gen pythia8 -proc inel -tf ${NTFS} \
    -ns ${NEVENTS} -e ${SIMENGINE} -run 303901 \
    -j ${NWORKERS} -interactionRate ${INTRATE} \
    --first-orbit 0 --orbits-early 0 --no-combine-smaller-digi -confKey "$CONFKEY" \
    --detectorList ALICE2.1 --anchor-config config_303901.json
${O2DPG_ROOT}/MC/bin/o2_dpg_workflow_runner.py -f workflow.json -tt aod ${MEMLIMIT} ${CPULIMIT} --optimistic-resources

this lets me produce full AO2Ds with ITS3 instead of ITS2.
Since none of the ccdb objects are currently correct for the ITS3 run ranges, I set up a repository to collect the ITS3 configurations and ccdb objects.

[sawenzel]

Looks good and indeed will enable Run4 ITS with almost the same logic. Will approve once the minor points are clarified.

[f3sch]

Thanks for the review.
I verified that everything up&including to the AOD creation is correct.
Points that have to be clarified later is that ITS3 cannot run the QC task yet (but ok this just has to be adapted when we are in Run 4).

[sawenzel]

LGTM