[PRMP-1512] - Rename stitching queue environment variable in lambda-pdf-stitching.tf

Author: MohammadIqbalAD-NHS

infrastructure/lambda-pdf-stitching.tf

@@ -19,7 +19,7 @@ module "pdf-stitching-lambda" {
   api_execution_arn       = null
   is_invoked_from_gateway = false
   lambda_environment_variables = {
-    STITCH_SQS_QUEUE_URL          = module.sqs-stitching-queue.sqs_url
+    PDF_STITCHING_SQS_URL         = module.sqs-stitching-queue.sqs_url
     NRL_SQS_QUEUE_URL             = module.sqs-nrl-queue.sqs_url
     LLOYD_GEORGE_DYNAMODB_NAME    = "${terraform.workspace}_${var.lloyd_george_dynamodb_table_name}"
     STITCH_METADATA_DYNAMODB_NAME = "${terraform.workspace}_${var.unstitched_lloyd_george_dynamodb_table_name}"