Update the new geometry file for 2024 GE21

Author: Sunanda

Geometry/MuonCommonData/data/gem21/2024/v2/gem21.xml

@@ -2383,7 +2383,7 @@
   <Numeric name="n" value="2"/>
   <Numeric name="startCopyNo" value="([gemf:Layer2Offset]+16)"/>
   <Numeric name="incrCopyNo"  value="2"/>
-  <Numeric name="invert"      value="1"/>
+  <Numeric name="invert"      value="0"/>
   <Numeric name="stepAngle"   value="-40*deg"/>
   <Numeric name="startAngle"  value="-125*deg"/>
   <Numeric name="rPosition"   value="[rPosL]"/>