fable 5 - adding a notes in a couple more places (#61814)

Co-authored-by: mc <42146119+mchammer01@users.noreply.github.com>

Author: dihydroJenoxide

content/copilot/reference/ai-models/model-hosting.md

@@ -60,6 +60,8 @@ Used for:
 > [!WARNING] 
 > When {% data variables.copilot.copilot_claude_fable_5 %} is used, Anthropic retains data, including prompts and outputs, to operate safety classifiers that detect harmful use. Other Claude models in {% data variables.product.prodname_copilot %} remain covered by {% data variables.product.github %}'s existing data retention agreements, as documented below. Enterprise and business users need to enable the {% data variables.copilot.copilot_claude_fable_5 %} model to make it available for your organization. You can read more about Anthropic's data handling practices for this model under section F of their [Service Specific Terms](https://www.anthropic.com/legal/service-specific-terms).
 
+{% data reusables.copilot.model-fable-disabled %}
+
 These models are hosted by Amazon Web Services, Anthropic PBC, and Google Cloud Platform. {% data variables.product.github %} has provider agreements in place to ensure data is not used for training. Additional details for each provider are included below:
 
 * Amazon Bedrock: Amazon makes the [following data commitments](https://docs.aws.amazon.com/bedrock/latest/userguide/data-protection.html): _Amazon Bedrock doesn't store or log your prompts and completions. Amazon Bedrock doesn't use your prompts and completions to train any AWS models and doesn't distribute them to third parties_.

content/copilot/reference/ai-models/supported-models.md

@@ -34,6 +34,8 @@ For all of the default AI models, input prompts and output completions run throu
 
 This table lists the AI models available in {% data variables.product.prodname_copilot_short %}, along with their release status.
 
+{% data reusables.copilot.model-fable-disabled %}
+
 {% rowheaders %}
 
 | Model name                                             | Provider  | Release status             |
@@ -107,6 +109,8 @@ The following table lists AI models that are retired or scheduled for retirement
 
 The following table shows which models are available in each client.
 
+{% data reusables.copilot.model-fable-disabled %}
+
 {% rowheaders %}
 
 | Model | {% data variables.product.prodname_dotcom_the_website %} | {% data variables.copilot.copilot_cli_short %} | {% data variables.product.prodname_vscode %} | {% data variables.product.prodname_vs %} | Eclipse | Xcode | JetBrains IDEs |

data/reusables/copilot/model-fable-disabled.md

@@ -1 +1 @@
-> [!NOTE] Claude Fable 5 is currently unavailable. For more information, see [Anthropic's announcement](https://www.anthropic.com/news/fable-mythos-access).
+> [!NOTE] {% data variables.copilot.copilot_claude_fable_5 %} is currently unavailable. For more information, see [Anthropic's announcement](https://www.anthropic.com/news/fable-mythos-access).