[PWGDQ] Add J/psi-muon correlations task

[kaareendrup]

Simple task to produce correlations between dimuon J/Psi candidates and single muons in the way of PWGDQ-130

[github-actions]

O2 linter results: ❌ 24 errors, ⚠️ 11 warnings, 🔕 0 disabled

[alibuild]

Error while checking build/O2Physics/code-check for 502cc26 at 2026-07-14 22:32:

## sw/BUILD/O2Physics-code-check-latest/log
--
========== List of issues found ==========
++ echo 'Found 9 errors and 0 warnings.'
Found 9 errors and 0 warnings.
++ [[ 9 -gt 0 ]]
++ cat /sw/BUILD/48154ab480ae762c0b307003e37514d695a20766/O2Physics-code-check/errors.txt
PWGDQ/Tasks/taskJPsiMu.cxx:14:1: error: included header AnalysisCompositeCut.h is not used directly [misc-include-cleaner,-warnings-as-errors]
PWGDQ/Tasks/taskJPsiMu.cxx:15:1: error: included header AnalysisCut.h is not used directly [misc-include-cleaner,-warnings-as-errors]
PWGDQ/Tasks/taskJPsiMu.cxx:24:1: error: included header BinningPolicy.h is not used directly [misc-include-cleaner,-warnings-as-errors]
PWGDQ/Tasks/taskJPsiMu.cxx:29:1: error: included header StringHelpers.h is not used directly [misc-include-cleaner,-warnings-as-errors]
PWGDQ/Tasks/taskJPsiMu.cxx:32:1: error: included header types.h is not used directly [misc-include-cleaner,-warnings-as-errors]
PWGDQ/Tasks/taskJPsiMu.cxx:34:1: error: included header RtypesCore.h is not used directly [misc-include-cleaner,-warnings-as-errors]
PWGDQ/Tasks/taskJPsiMu.cxx:39:1: error: included header memory is not used directly [misc-include-cleaner,-warnings-as-errors]
PWGDQ/Tasks/taskJPsiMu.cxx:81:8: error: constructor does not initialize these fields: ccdb, fValuesDilepton, fValuesMuon [cppcoreguidelines-pro-type-member-init,-warnings-as-errors]
PWGDQ/Tasks/taskJPsiMu.cxx:272:8: error: no header providing "size_t" is directly included [misc-include-cleaner,-warnings-as-errors]
++ [[ 0 -gt 0 ]]
++ [[ 9 -gt 0 ]]
++ exit 1
--

Full log here.

[alibuild]

Error while checking build/O2Physics/code-check for 670d426 at 2026-07-16 04:08:

## sw/BUILD/O2Physics-code-check-latest/log
--
========== List of issues found ==========
++ echo 'Found 2 errors and 0 warnings.'
Found 2 errors and 0 warnings.
++ [[ 2 -gt 0 ]]
++ cat /sw/BUILD/b72879ecaf8fc3a3e1e7fb742171b182cc11cd5f/O2Physics-code-check/errors.txt
PWGDQ/Tasks/taskJPsiMu.cxx:72:8: error: constructor does not initialize these fields: ccdb, fValuesDilepton, fValuesMuon [cppcoreguidelines-pro-type-member-init,-warnings-as-errors]
PWGDQ/Tasks/taskJPsiMu.cxx:263:23: error: loop variable has narrower type 'uint8_t' than iteration's upper bound 'size_type' [bugprone-too-small-loop-variable,-warnings-as-errors]
++ [[ 0 -gt 0 ]]
++ [[ 2 -gt 0 ]]
++ exit 1
--

Full log here.

[vkucera]

Don't use raw pointers. Why do you even need pointers here?

[vkucera]

Where are these deleted?