Allow DigitizationTests ART jobs to find 24.0-specific reference files (ATLASSIM-7095)

This update is necessary for the comparisons against fixed reference files in 24.0 to work properly.

The script is only used in Digitization ART jobs so will not affect the CI output.

Simulation/Tests/DigitizationTests/scripts/DigitizationCheckReferenceLocation.sh

@@ -25,6 +25,8 @@ elif [[ $ATLAS_RELEASE_BASE == *"22.0"* ]]; then
     DigitizationTestsVersion="22.0"
 elif [[ $ATLAS_RELEASE_BASE == *"23.0"* ]]; then
     DigitizationTestsVersion="23.0"
+elif [[ $ATLAS_RELEASE_BASE == *"24.0"* ]]; then
+    DigitizationTestsVersion="24.0"
 fi
 
 export DigitizationTestsVersion