Separation power for Pions and Electrons

[HorstMa]

This PR adds the separation power that can be trended for pions and electrons at the MIP point.

[github-actions]

REQUEST FOR PRODUCTION RELEASES:
To request your PR to be included in production software, please add the corresponding labels called "async-" to your PR. Add the labels directly (if you have the permissions) or add a comment of the form (note that labels are separated by a ",")

+async-label <label1>, <label2>, !<label3> ...

This will add <label1> and <label2> and removes <label3>.

The following labels are available
async-2023-pbpb-apass
async-2023-pp-apass1
async-2022-pp-apass6-2023-PbPb-apass2
async-2022-pp-apass4
async-mc
async-data

[alibuild]

Error while checking build/O2/fullCI for cd14504 at 2024-04-05 13:02:

## sw/BUILD/O2-latest/log
c++: error: unrecognized command-line option '--rtlib=compiler-rt'
c++: error: unrecognized command-line option '--rtlib=compiler-rt'
input_line_9:168:48: error: use of undeclared identifier 'cSeparationPowerCanvas'
Error: /sw/slc8_x86-64/ROOT/v6-30-01-alice4-6/bin/rootcling: compilation failure (/sw/BUILD/4d6ee0878a064ffb56614948916ac517898352c7/O2/Detectors/TPC/qc/G__O2TPCQC927318bec8_dictUmbrella.h)
ninja: build stopped: subcommand failed.

Full log here.

[alibuild]

Error while checking build/O2/fullCI for aeaa058 at 2024-04-18 22:26:

## sw/BUILD/O2-latest/log
c++: error: unrecognized command-line option '--rtlib=compiler-rt'
c++: error: unrecognized command-line option '--rtlib=compiler-rt'

Full log here.

[shahor02]

@HorstMa please rebase your branch to fresh dev and force push.

[alibuild]

Error while checking build/O2/fullCI for aa1c8f9 at 2024-05-25 04:44:

## sw/BUILD/O2-latest/log
c++: error: unrecognized command-line option '--rtlib=compiler-rt'
c++: error: unrecognized command-line option '--rtlib=compiler-rt'


## sw/BUILD/o2checkcode-latest/log
--
========== List of errors found ==========
++ GRERR=0
++ grep -v clang-diagnostic-error error-log.txt
++ grep ' error:'
++ GRERR=1
++ [[ 1 == 0 ]]
++ mkdir -p /sw/INSTALLROOT/c15687ac46472ba01de497628a4f78d9b0600da0/slc8_x86-64/o2checkcode/1.0-local3099/etc/modulefiles
++ cat
--

Full log here.