[PWGLF] Change object name in ccdb and remove string formatting

[romainschotter]

• Change object name to be pulled from ccdb to match the object name in the centralityQa task
• Remove string formatting in log messages

[github-actions]

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

[alibuild]

Auto-approving on behalf of @romainschotter.

[alibuild]

Error while checking build/O2Physics/code-check for af7d70e at 2026-08-27 15:16:

## sw/BUILD/O2Physics-code-check-latest/log
--
========== List of issues found ==========
++ echo 'Found 4 errors and 11 warnings.'
Found 4 errors and 11 warnings.
++ [[ 4 -gt 0 ]]
++ cat /sw/BUILD/55170f496ce313aac2834d6cba82f61d380d948f/O2Physics-code-check/errors.txt
PWGLF/Utils/mcCentralityModule.h:119:80: error: do not implicitly decay an array into a pointer; consider using gsl::array_view or an explicit cast instead [cppcoreguidelines-pro-bounds-array-to-pointer-decay,-warnings-as-errors]
PWGLF/Utils/mcCentralityModule.h:381:17: error: do not use reinterpret_cast [cppcoreguidelines-pro-type-reinterpret-cast,-warnings-as-errors]
PWGLF/Utils/mcCentralityModule.h:451:28: error: narrowing conversion from 'Double_t' (aka 'double') to 'int' [bugprone-narrowing-conversions,-warnings-as-errors]
PWGLF/Utils/mcCentralityModule.h:524:28: error: narrowing conversion from 'Double_t' (aka 'double') to 'int' [bugprone-narrowing-conversions,-warnings-as-errors]
++ [[ 11 -gt 0 ]]
++ cat /sw/BUILD/55170f496ce313aac2834d6cba82f61d380d948f/O2Physics-code-check/warnings.txt
PWGLF/Utils/mcCentralityModule.h:56:1: warning: nested namespaces can be concatenated [modernize-concat-nested-namespaces]
PWGLF/Utils/mcCentralityModule.h:79:14: warning: do not declare C-style arrays, use 'std::array' instead [modernize-avoid-c-arrays]
PWGLF/Utils/mcCentralityModule.h:104:24: warning: do not declare C-style arrays, use 'std::array' instead [modernize-avoid-c-arrays]
PWGLF/Utils/mcCentralityModule.h:260:5: warning: do not declare C-style arrays, use 'std::array' instead [modernize-avoid-c-arrays]
PWGLF/Utils/mcCentralityModule.h:379:22: warning: use nullptr [modernize-use-nullptr]
PWGLF/Utils/mcCentralityModule.h:408:23: warning: use nullptr [modernize-use-nullptr]
PWGLF/Utils/mcCentralityModule.h:457:48: warning: statement should be inside braces [readability-braces-around-statements]
PWGLF/Utils/mcCentralityModule.h:530:48: warning: statement should be inside braces [readability-braces-around-statements]
PWGLF/Utils/mcCentralityModule.h:590:10: warning: implicit conversion 'value_type' (aka 'int') -> 'bool' [readability-implicit-bool-conversion]
PWGLF/Utils/mcCentralityModule.h:600:87: warning: implicit conversion 'int' -> 'bool' [readability-implicit-bool-conversion]
PWGLF/Utils/mcCentralityModule.h:675:30: warning: statement should be inside braces [readability-braces-around-statements]
++ [[ 4 -gt 0 ]]
++ exit 1
--

Full log here.