RootAuxDynIO: RNTuple namespace changes

Fixes the compilation issues in the main--dev3LCG nightly. See root-project/root#17665.

cc: @gemmeren, @mnowak

This merge request affects 1 package:

• Database/AthenaRoot/RootAuxDynIO

This merge request affects 1 file:

• Database/AthenaRoot/RootAuxDynIO/src/RNTupleAuxDynReader.cxx

Adding @maszyman ,@gemmeren ,@amete ,@mnowak ,@ssnyder as watchers

added Database main review-pending-level-1 labels

CI Result SUCCESS (hash 508d5b82)

	Athena	AthSimulation	AthGeneration	AthAnalysis
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
AthAnalysis: number of compilation errors 0, warnings 0
For experts only: Jenkins output (remote access info)

added review-approved label and removed review-pending-level-1 label

Changes and CI look fine. Approving.

Kira (L1)

changed title from RootAuxDynIO: RTNtuple namespace changes to RootAuxDynIO: RNTuple namespace changes

merged

mentioned in commit d24e4d8d