chore: update CloudRift provider version constraint (#2046)

## Summary
- Update CloudRift Terraform provider version constraint from pinned
`0.2.0` to `~> 0.2.0`, allowing automatic patch version updates (e.g.
`0.2.1`)


<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->

## Summary by CodeRabbit

* **Chores**
* Updated cloudrift provider version constraint to allow patch-level
upgrades within the 0.2.x series, enabling automatic minor updates while
maintaining compatibility.

<!-- end of auto-generated comment: release notes by coderabbit.ai -->

Author: samuelstolicny

services/terraformer/internal/worker/service/internal/templates/providers.tpl

@@ -51,7 +51,7 @@ terraform {
     {{- if .CloudRift }}
     cloudrift = {
       source  = "berops/cloudrift"
-      version = "0.2.0"
+      version = "~> 0.2.0"
     }
     {{- end }}
   }