fix(github): update authentication method for GitHub app operations

- Changed security scheme from 'api_token' to 'bearerAuth' for the update and delete GitHub app endpoints.
- Ensured consistent authentication handling across GitHub app operations.

app/Http/Controllers/Api/GithubController.php

@@ -402,7 +402,7 @@ public function load_branches($github_app_id, $owner, $repo)
         path: '/github-apps/{github_app_id}',
         operationId: 'updateGithubApp',
         security: [
-            ['api_token' => []],
+            ['bearerAuth' => []],
         ],
         tags: ['GitHub Apps'],
         summary: 'Update GitHub App',
@@ -581,7 +581,7 @@ public function update_github_app(Request $request, $github_app_id)
         path: '/github-apps/{github_app_id}',
         operationId: 'deleteGithubApp',
         security: [
-            ['api_token' => []],
+            ['bearerAuth' => []],
         ],
         tags: ['GitHub Apps'],
         summary: 'Delete GitHub App',