chore: update version to 2.0.0 for major version bump

Author: DevelopmentCats

registry/coder-labs/modules/codex/README.md

@@ -13,7 +13,7 @@ Run Codex CLI in your workspace to access OpenAI's models through the Codex inte
 ```tf
 module "codex" {
   source         = "registry.coder.com/coder-labs/codex/coder"
-  version        = "1.1.0"
+  version        = "2.0.0"
   agent_id       = coder_agent.example.id
   openai_api_key = var.openai_api_key
   folder         = "/home/coder/project"
@@ -33,7 +33,7 @@ module "codex" {
 module "codex" {
   count          = data.coder_workspace.me.start_count
   source         = "registry.coder.com/coder-labs/codex/coder"
-  version        = "1.1.0"
+  version        = "2.0.0"
   agent_id       = coder_agent.example.id
   openai_api_key = "..."
   folder         = "/home/coder/project"
@@ -60,7 +60,7 @@ module "coder-login" {
 
 module "codex" {
   source         = "registry.coder.com/coder-labs/codex/coder"
-  version        = "1.1.0"
+  version        = "2.0.0"
   agent_id       = coder_agent.example.id
   openai_api_key = "..."
   ai_prompt      = data.coder_parameter.ai_prompt.value
@@ -106,7 +106,7 @@ For custom Codex configuration, use `base_config_toml` and/or `additional_mcp_se
 ```tf
 module "codex" {
   source  = "registry.coder.com/coder-labs/codex/coder"
-  version = "1.1.0"
+  version = "2.0.0"
   # ... other variables ...
 
   # Override default configuration