Upgrades Sensu in global variables file

Upgraded this global variable file last for the Sensu version.

common/aws-us-gov/afs-mdr-common-services-gov/351-codebuild-splunk-uf-configs/terragrunt.hcl

@@ -52,6 +52,7 @@ generate "github-provider" {
   path      = "github-provider.tf"
   if_exists = "overwrite_terragrunt"
   contents  = <<EOF
+#Provider block for Github engineering.
 provider "github" {
   owner        = "mdr-engineering"
   base_url     = "https://github.xdr.accenturefederalcyber.com/"

terragrunt.hcl

@@ -77,7 +77,7 @@ terraform {
     }
     sensu = {
       source = "jtopjian/sensu"
-      version = "= 0.10.5"
+      version = "= 0.12.1" # 2022-04-06: upgrade from 0.10.5
     }
   }
 }