TrigDecisionTool: Fix thread-safety checker warnings.

Fix some new thread-safety checker warnings.

added alsoTargeting:22.0 label

This merge request affects 1 package:

• Trigger/TrigAnalysis/TrigDecisionTool

This merge request affects 2 files:

• Trigger/TrigAnalysis/TrigDecisionTool/Root/TrigDecisionToolCore.cxx
• Trigger/TrigAnalysis/TrigDecisionTool/TrigDecisionTool/FeatureCollectAthena.h

Adding @tamartin as watcher

added Trigger analysis-review-required master review-pending-level-1 labels

The system determined that CI tests (with names matching "^CITest_SimulationRun(2|3)FullSim.*$") are not needed for this code change. They are not run. This is not an indicator to restart the job.

CI Result SUCCESS (hash dc468056)

	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 [CI-MERGE-REQUEST-CC7 59320]

Changes look fine and CI is good. Approving. Clara (L1)

added review-approved label

removed review-pending-level-1 label

added analysis-review-approved label and removed analysis-review-required label

merged

mentioned in commit 08445b8e

added sweep:done label

picked the changes into the branch cherry-pick-08445b8ed82-22.0 with commit e780bc2d

mentioned in commit e780bc2d

mentioned in merge request !56989 (merged)

Sweep summary
successful:

• 22.0

(see https://aiatlas154.cern.ch/jenkins/job/auto_git_sweeps/3148/console for details)

mentioned in commit 3de62905