Document copilot_requests fine-grained PAT permission (#59130)

Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: devm33 <1682753+devm33@users.noreply.github.com>
Co-authored-by: Ben Ahmady <32935794+subatoi@users.noreply.github.com>

Author: 3 people

content/authentication/keeping-your-account-and-data-secure/managing-your-personal-access-tokens.md

@@ -144,6 +144,7 @@ Below are some example URLs that generate the tokens we see most often:
 * [GitHub Models access](https://github.com/settings/personal-access-tokens/new?name=GitHub+Models+token&description=Used%20to%20call%20GitHub%20Models%20APIs%20to%20easily%20run%20LLMs%3A%20https%3A%2F%2Fdocs.github.com%2Fgithub-models%2Fquickstart%23step-2-make-an-api-call&user_models=read)<!-- markdownlint-disable-line search-replace Custom rule -->
 * [Update code and open a PR](https://github.com/settings/personal-access-tokens/new?name=Core-loop+token&description=Write%20code%20and%20push%20it%20to%20main%21%20Includes%20permission%20to%20edit%20workflow%20files%20for%20Actions%20-%20remove%20%60workflows%3Awrite%60%20if%20you%20don%27t%20need%20to%20do%20that&contents=write&pull_requests=write&workflows=write)
 * [Manage Copilot licenses in an organization](https://github.com/settings/personal-access-tokens/new?name=Core-loop+token&description=Enable%20or%20disable%20copilot%20access%20for%20users%20with%20the%20Seat%20Management%20APIs%3A%20https%3A%2F%2Fdocs.github.com%2Frest%2Fcopilot%2Fcopilot-user-management%0ABe%20sure%20to%20select%20an%20organization%20for%20your%20resource%20owner%20below%21&organization_copilot_seat_management=write)<!-- markdownlint-disable-line search-replace Custom rule -->
+* [Make Copilot requests](https://github.com/settings/personal-access-tokens/new?name=Copilot+requests+token&description=Make%20Copilot%20API%20requests%20on%20behalf%20of%20the%20user%2C%20consuming%20premium%20requests%3A%20https%3A%2F%2Fdocs.github.com%2Fcopilot%2Fconcepts%2Fbilling%2Fcopilot-requests&copilot_requests=write)<!-- markdownlint-disable-line search-replace Custom rule -->
 
 #### Supported Query Parameters
 
@@ -173,6 +174,7 @@ Account permissions are only used when the current user is set as the resource o
 | `codespaces_user_secrets` | Codespaces user secrets | `read`, `write` |
 | `copilot_messages` | Copilot Chat | `read` |
 | `copilot_editor_context` | Copilot Editor Context | `read` |
+| `copilot_requests` | Copilot requests | `write` |
 | `emails` | Email addresses | `read`, `write` |
 | `user_events` | Events | `read` |
 | `followers` | Followers | `read`, `write` |
@@ -189,6 +191,12 @@ Account permissions are only used when the current user is set as the resource o
 | `starring` | Starring | `read`, `write` |
 | `watching` | Watching | `read`, `write` |
 
+{% ifversion copilot %}
+
+> [!NOTE]
+> The `copilot_requests` permission enables making {% data variables.product.prodname_copilot_short %} requests for the given user, which count towards the user's premium request allowance or are charged to overage billing if the allowance is exceeded. For more information about {% data variables.product.prodname_copilot_short %} requests and billing, see [AUTOTITLE](/copilot/concepts/billing/copilot-requests).
+
+{% endif %}
 ##### Repository Permissions
 
 Repository permissions work for both user and organization resource owners.