Fix: [AEA-0000] - fix getting prod and int deployed tag (#147)

## Summary

- Routine Change


### Details

- fix getting prod and int deployed tag

.github/scripts/get_target_deployed_tag.sh

@@ -1,6 +1,6 @@
 #!/usr/bin/env bash
 
-current_deployed_tag=$(aws cloudformation describe-stacks --stack-name "$TARGET_ENVIRONMENT"-psu --query "Stacks[0].Tags[?Key=='version'].Value" --output text)
+current_deployed_tag=$(aws cloudformation describe-stacks --stack-name psu --query "Stacks[0].Tags[?Key=='version'].Value" --output text)
 
 
 if [ -z "$current_deployed_tag" ]