Externals Updates, main branch (2025.01.31.)

Updated all projects to atlasexternals-2.1.39. The (extensive set of) updates wrt. atlasexternals-2.1.38 are (atlasexternals@2.1.38...2.1.39):

• Removed AtlasHIP from atlas/atlasexternals (thanks to @smh);
  • It is now superseded by CMake's built-in HIP support in this repository;
• Added ONNXRuntimehttps://onnxruntime.ai/ to AthGenerationExternals (thanks to @cgutscho);
• Updated GDB to version 16.1 (thanks to @elmsheus);
• Cleaned / updated the CMake version requirements and policy settings in atlas/atlasexternals (thanks to @fwinkl);
• Introduced / updated the following AtlasLCG modules: FindLhapdf.cmake, FindRecola.cmake, Findsympy.cmake (thanks to @averbyts and @yharris);
• CheckerGccPlugin updates for GCC 15 (thanks to @ssnyder);
• VecGeom and VecCore patches for Clang 19 (thanks to @elmsheus).

Personal tests seemed to work fine, and in general the changes should not change any outputs. But let's be thorough in the CI with this one...

added full-build full-integration-tests full-unit-tests labels

build area is cleaned as MR is labeled as full-build

This merge request affects 7 packages:

• Projects/AnalysisBase
• Projects/AthAnalysis
• Projects/AthGeneration
• Projects/AthSimulation
• Projects/Athena
• Projects/DetCommon
• Projects/VP1Light

Affected files list will not be printed in this case

Adding @rbianchi ,@krumnack ,@jchapman ,@akraszna as watchers

added Build Simulation main review-pending-level-1 labels

CI Result SUCCESS (hash 37f531f5)

	Athena	AthSimulation	AthGeneration	AnalysisBase	AthAnalysis	DetCommon
externals
cmake
make
tests

Full details available on this CI monitor view. Check the JIRA CI status board for known problems
Athena: number of compilation errors 0, warnings 0
AthSimulation: number of compilation errors 0, warnings 0
AthGeneration: number of compilation errors 0, warnings 0
AnalysisBase: number of compilation errors 0, warnings 0
AthAnalysis: number of compilation errors 0, warnings 0
DetCommon: number of compilation errors 0, warnings 0
For experts only: Jenkins output (remote access info)

mentioned in merge request !77569 (merged)

mentioned in merge request !77570 (merged)

removed review-pending-level-1 label

added review-approved label

I will merge this one and clean build nodes as a preventive measure so the CI is ready for work day tomorrow.

merged

mentioned in commit d889c4b2