chore(deps): update terraform cloudposse/kms-key/aws to v0.12.2 (#3)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

src/kms.tf

@@ -1,6 +1,6 @@
 module "kms_key_rds" {
   source  = "cloudposse/kms-key/aws"
-  version = "0.12.1"
+  version = "0.12.2"
 
   description             = "KMS key for Aurora Postgres"
   deletion_window_in_days = 10