refactor(coder/goose): support terraform provider coder v2.12.0 (#490)

## Description

Updates the module to use the new version of the agentapi module for the
upcoming Coder 2.28 release

## Type of Change

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

## Module Information

**Path:** `registry/coder/modules/goose`  
**New version:** `v1.0.0`  
**Breaking change:** [x] Yes [ ] No

## Testing & Validation

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

## Related Issues

- https://github.com/coder/internal/issues/1065

## Related PRs

- https://github.com/coder/registry/pull/485

Co-authored-by: Cian Johnston <cian@coder.com>

registry/coder/modules/goose/README.md

@@ -13,7 +13,7 @@ Run the [Goose](https://block.github.io/goose/) agent in your workspace to gener
 ```tf
 module "goose" {
   source           = "registry.coder.com/coder/goose/coder"
-  version          = "2.2.1"
+  version          = "3.0.0"
   agent_id         = coder_agent.example.id
   folder           = "/home/coder"
   install_goose    = true
@@ -79,7 +79,7 @@ resource "coder_agent" "main" {
 module "goose" {
   count            = data.coder_workspace.me.start_count
   source           = "registry.coder.com/coder/goose/coder"
-  version          = "2.2.1"
+  version          = "3.0.0"
   agent_id         = coder_agent.example.id
   folder           = "/home/coder"
   install_goose    = true

registry/coder/modules/goose/main.tf

@@ -4,7 +4,7 @@ terraform {
   required_providers {
     coder = {
       source  = "coder/coder"
-      version = ">= 2.7"
+      version = ">= 2.12"
     }
   }
 }
@@ -140,7 +140,7 @@ EOT
 
 module "agentapi" {
   source  = "registry.coder.com/coder/agentapi/coder"
-  version = "1.2.0"
+  version = "2.0.0"
 
   agent_id             = var.agent_id
   web_app_slug         = local.app_slug
@@ -174,3 +174,7 @@ module "agentapi" {
     /tmp/install.sh
   EOT
 }
+
+output "task_app_id" {
+  value = module.agentapi.task_app_id
+}