eli-304 shortening bucket name

Author: eddalmond1

infrastructure/stacks/api-layer/s3_buckets.tf

@@ -19,7 +19,7 @@ module "s3_audit_bucket" {
 
 module "s3_firehose_backup_bucket" {
   source       = "../../modules/s3"
-  bucket_name  = "eli-splunk-backup"
+  bucket_name  = "eli-splunk"
   environment  = var.environment
   project_name = var.project_name
   stack_name   = local.stack_name