Rename TrigSignatureMoniMT -> TrigSignatureMoni

Follow up to !41434 (merged)

• rename TrigSignatureMoniMT -> TrigSignatureMoni
• update DecisionHandling ctests references
• change message of missing chains INFO -> DEBUG mentioned in ATR-22897 cc @tamartin

Tagging @fwinkl

This merge request affects 4 packages:

• Trigger/TrigMonitoring/TrigSteerMonitor
• Trigger/TrigSteer/DecisionHandling
• Trigger/TrigValidation/TrigValTools
• Trigger/TriggerCommon/TriggerJobOpts

Affected files list will not be printed in this case

Adding @tamartin ,@vmartin ,@okumura ,@rbielski as watchers

added DQ Trigger master review-pending-level-1 labels

resolved all threads

CI Result SUCCESS (hash a303cba8)

	Athena	AthSimulation	AthGeneration	AnalysisBase	AthAnalysis	DetCommon
externals
cmake
make
required tests
optional tests

Full details available on this CI monitor view
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 29841]

resolved all threads

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

mentioned in commit a98da16c

merged

added sweep:ignore label