Add GitHub Models in Actions docs (#55174)

Co-authored-by: Sophie <29382425+sophietheking@users.noreply.github.com>

content/github-models/integrating-ai-models-into-your-development-workflow.md

@@ -30,6 +30,47 @@ If you have a {% data variables.product.prodname_copilot_short %} subscription,
     * Executing prompts using a particular model. This is especially useful when you want to use a model that is not currently available in multi-model {% data variables.product.prodname_copilot_chat_short %}.
     * Listing models currently available through {% data variables.product.prodname_github_models %}
 
+## Using AI models with {% data variables.product.prodname_actions %}
+
+You can use the {% data variables.product.prodname_actions %} token (`GITHUB_TOKEN`) to call AI models directly inside your workflows.
+
+### Setting permissions
+
+To use AI models in your workflows, you need to ensure that the `models` permission is enabled in your workflow configuration. This permission allows workflows to access the {% data variables.product.prodname_github_models %} inference API. You can either set this permission itself or use the general `read-all` or `write-all` permissions. See [AUTOTITLE](/rest/overview/permissions-required-for-github-apps?apiVersion=2022-11-28#repository-permissions-for-actions).
+
+### Writing your workflow file
+
+You can call the inference API directly from your workflow. For instance:
+
+```yaml
+name: Use GitHub Models
+
+on:
+  workflow_dispatch:
+
+permissions:
+  models: read
+
+jobs:
+  call-model:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Call AI model
+      run: |
+         curl -X POST "https://models.inference.ai.azure.com/chat/completions" \
+            -H "Content-Type: application/json" \
+            -H "Authorization: Bearer ${{ secrets.GITHUB_TOKEN }}" \
+            -d '{
+               "messages": [
+                  {
+                     "role": "user",
+                     "content": "Explain the concept of recursion."
+                  }
+               ],
+               "model": "gpt-4o"
+            }'
+```
+
 ## Using AI models from the command line
 
 > [!NOTE] The {% data variables.product.prodname_github_models %} extension for {% data variables.product.prodname_cli %} is in {% data variables.release-phases.public_preview %} and is subject to change.

data/reusables/actions/github-token-available-permissions.md

@@ -8,7 +8,8 @@ permissions:
   contents: read|write|none
   deployments: read|write|none{% ifversion fpt or ghec %}
   id-token: write|none{% endif %}
-  issues: read|write|none
+  issues: read|write|none{% ifversion not ghes %}
+  models: read|none{% endif %}
   discussions: read|write|none
   packages: read|write|none
   pages: read|write|none

data/reusables/actions/github-token-scope-descriptions.md

@@ -16,6 +16,9 @@ Available permissions and details of what each allows an action to do:
 |  `id-token` | Fetch an OpenID Connect (OIDC) token. This requires `id-token: write`. For more information, see [AUTOTITLE](/actions/deployment/security-hardening-your-deployments/about-security-hardening-with-openid-connect#updating-your-actions-for-oidc) |
 | {% endif %} |
 |  `issues` | Work with issues. For example, `issues: write` permits an action to add a comment to an issue. For more information, see [AUTOTITLE](/rest/overview/permissions-required-for-github-apps?apiVersion=2022-11-28#repository-permissions-for-issues). |
+| {% ifversion not ghes %} |
+|  `models`  | Generate AI inference responses with {% data variables.product.prodname_github_models %}. For example, `models: read` permits an action to use the {% data variables.product.prodname_github_models %} inference API. See [AUTOTITLE](/github-models/prototyping-with-ai-models). |
+| {% endif %} |
 |  `packages` | Work with GitHub Packages. For example, `packages: write` permits an action to upload and publish packages on GitHub Packages. For more information, see [AUTOTITLE](/packages/learn-github-packages/about-permissions-for-github-packages#about-scopes-and-permissions-for-package-registries). |
 |  `pages` | Work with GitHub Pages. For example, `pages: write` permits an action to request a GitHub Pages build. For more information, see [AUTOTITLE](/rest/overview/permissions-required-for-github-apps?apiVersion=2022-11-28#repository-permissions-for-pages). |
 |  `pull-requests` | Work with pull requests. For example, `pull-requests: write` permits an action to add a label to a pull request. For more information, see [AUTOTITLE](/rest/overview/permissions-required-for-github-apps?apiVersion=2022-11-28#repository-permissions-for-pull-requests). |