[PWGDQ,PWGEM] Tune MC TPC PID response to data

[JinjooSeo]

• (nSigma - meanMC) * (sigmaMC / sigmaData) + meanData for MC PID calibration
• Rename calibration variables to explicit MC / Data naming

[github-actions]

O2 linter results: ❌ 1561 errors, ⚠️ 1131 warnings, 🔕 0 disabled

[alibuild]

Error while checking build/O2Physics/staging for 4f5dfad at 2026-05-07 13:18:

## sw/BUILD/O2Physics-latest/log
CMake Error at /sw/slc9_x86-64/CMake/v4.1.4-2/share/cmake-4.1/Modules/CMakeTestCCompiler.cmake:67 (message):
    2026-05-07T13:18:42.244+0200 [69:140642926804608] [buildboxcommon_grpcretrier.cpp:177] [ERROR] Retry limit (0) exceeded for "ActionCache.GetActionResult()", last gRPC error was [14: failed to connect to all addresses; last error: UNKNOWN: ipv4:127.0.0.1:8085: Failed to connect to remote host: Connection refused]
    2026-05-07T13:18:42.244+0200 [69:140642926804608] [executioncontext.cpp:544] [ERROR] Error while querying action cache at "http://localhost:8085": 14: failed to connect to all addresses; last error: UNKNOWN: ipv4:127.0.0.1:8085: Failed to connect to remote host: Connection refused
    2026-05-07T13:18:42.245+0200 [69:140642926804608] [buildboxcommon_grpcretrier.cpp:177] [ERROR] Retry limit (0) exceeded for "FindMissingBlobs()", last gRPC error was [14: failed to connect to all addresses; last error: UNKNOWN: ipv4:127.0.0.1:8085: Failed to connect to remote host: Connection refused]
    2026-05-07T13:18:42.245+0200 [69:140642926804608] [executioncontext.cpp:908] [ERROR] Error while uploading resources to CAS at "http://localhost:8085": 14: failed to connect to all addresses; last error: UNKNOWN: ipv4:127.0.0.1:8085: Failed to connect to remote host: Connection refused
    ninja: build stopped: subcommand failed.

Full log here.

[JinjooSeo]

Dear @dsekihat, @feisenhu, @hscheid, @jokonig, @mikesas, @rbailhac
Could you please check this PR and merge it if everything looks fine?
Thanks in advance!

[vkucera]

These hard-coded case numbers are meaningless.