update the main branch gh actions and cleaned up files

.github/workflows/env-promotion.yml → .github/workflows/tyk-staging.yml

@@ -50,7 +50,7 @@ jobs:
         cd ./dev
         for file in $(find . -name "*.json"); do
           echo "Processing $file"
-          # Create a new file path in the stg directory with a stg_ prefix
+          # Create a new file path in the stg directory with a stg- prefix
           new_file="stg-$(basename "$file")"
           # Replace proxy.target_url with the GitHub secret value and write to the new file
           jq --arg url "$STG_US_PROXY_TARGET_URL" '.proxy.target_url = $url' "$file" > "../stg/$new_file"