chore: fix module reference in coder-utils (#826)

## Description

fix module reference in coder-utils
<!-- Briefly describe what this PR does and why -->

## Type of Change

- [ ] New module
- [ ] New template
- [x] Bug fix
- [ ] Feature/enhancement
- [ ] Documentation
- [ ] Other

## Module Information


**Path:** `registry/coder/modules/coder-utils`  
**New version:** `v1.0.1`  
**Breaking change:** [ ] Yes [x] No

## Testing & Validation

- [X] Tests pass (`bun test`)
- [X] Code formatted (`bun fmt`)
- [X] Changes tested locally

## Related Issues

<!-- Link related issues or write "None" if not applicable -->

Author: DevelopmentCats

registry/coder/modules/coder-utils/README.md

@@ -18,9 +18,9 @@ The Coder Utils module is a building block for modules that need to run multiple
 > - The `agent_name` should be the same as that of the agentapi module's `agent_name` if used together.
 
 ```tf
-module "coder_helper" {
+module "coder_utils" {
   source  = "registry.coder.com/coder/coder-utils/coder"
-  version = "1.0.0"
+  version = "1.0.1"
 
   agent_id        = coder_agent.main.id
   agent_name      = "myagent"