chore(deps): update terraform terraform-ibm-modules/kms-all-inclusive/ibm to v4.15.8 (#478)

Author: terraform-ibm-modules-ops

examples/complete/main.tf

@@ -16,7 +16,7 @@ module "resource_group" {
 
 module "key_protect_all_inclusive" {
   source            = "terraform-ibm-modules/kms-all-inclusive/ibm"
-  version           = "4.15.6"
+  version           = "4.15.8"
   resource_group_id = module.resource_group.resource_group_id
   # Note: Database instance and Key Protect must be created in the same region when using BYOK
   # See https://cloud.ibm.com/docs/cloud-databases?topic=cloud-databases-key-protect&interface=ui#key-byok