build(deps): update hashicorp/template requirement in /_example/fargate

Updates the requirements on [hashicorp/template](https://github.com/hashicorp/terraform-provider-template) to permit the latest version.
- [Changelog](https://github.com/hashicorp/terraform-provider-template/blob/master/CHANGELOG.md)
- [Commits](hashicorp/terraform-provider-template@v2.1.2...v2.2.0)

---
updated-dependencies:
- dependency-name: hashicorp/template
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>

modules/auto-scaling/versions.tf

@@ -9,7 +9,7 @@ terraform {
     }
     template = {
       source  = "hashicorp/template"
-      version = "~>2.1.2"
+      version = "~>2.2.0"
     }
   }
 }