changed the SUN angular range

Signed-off-by: Markus Waldmann <Markus.Waldmann@stud.hs-kempten.de>

Co-authored-by: Kmeid <kmeid.saad@ansys.com>

Author: stmswald

osi_environment.proto

@@ -458,7 +458,7 @@ message EnvironmentalConditions
         //
         // Unit: rad
         //
-        // The preferred angular range is [0, 2pi]
+        // The preferred angular range is [-pi, pi]
         //
         optional double azimuth = 1;