PixelDigitization+FPGATrackSimLRT: Fix compilation with dev3lcg.

Cannot default option argument to TH1::SaveAs().

This merge request affects 2 packages:

• InnerDetector/InDetDigitization/PixelDigitization
• Trigger/EFTracking/FPGATrackSim/FPGATrackSimLRT

Affected files list will not be printed in this case

Adding @battagl ,@sroe ,@jchapman ,@goetz ,@lshan ,@stsuno as watchers

added Digitization EFTracking InnerDetector Trigger main review-pending-level-1 labels

changed title from PixelDigitization: Fix compilation with dev3lcg. to PixelDigitization+FPGATrackSimLRT: Fix compilation with dev3lcg.

CI Result SUCCESS (hash 732c102e)

	Athena
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
For experts only: Jenkins output [CI-MERGE-REQUEST-EL9 5656] (remote access info)

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

merged

mentioned in commit af40f5fc