403 Resource not accessible by integration

[grant0417]

Hello, after updating our action to 1.13.1 we started getting this error:

04:11:36.123 ERROR Error in action: Error: 403 Resource not accessible by integration
    at _APIError.generate (/home/runner/work/_actions/stainless-api/upload-openapi-spec-action/e06dc0d8f3dd983e2d96adaaf9de533aea6d42ed/dist/build.js:18624:14)
Error: Error in action: Error: 403 Resource not accessible by integration
    at BaseGitHub3.makeStatusError (/home/runner/work/_actions/stainless-api/upload-openapi-spec-action/e06dc0d8f3dd983e2d96adaaf9de533aea6d42ed/dist/build.js:22048:24)
    at BaseGitHub3.makeRequest (/home/runner/work/_actions/stainless-api/upload-openapi-spec-action/e06dc0d8f3dd983e2d96adaaf9de533aea6d42ed/dist/build.js:22182:26)
    at process.processTicksAndRejections (node:internal/process/task_queues:95:5)
    at async GitHubClient.getPullRequestForCommit (/home/runner/work/_actions/stainless-api/upload-openapi-spec-action/e06dc0d8f3dd983e2d96adaaf9de533aea6d42ed/dist/build.js:22490:26)
    at async /home/runner/work/_actions/stainless-api/upload-openapi-spec-action/e06dc0d8f3dd983e2d96adaaf9de533aea6d42ed/dist/build.js:28214:124
    at async /home/runner/work/_actions/stainless-api/upload-openapi-spec-action/e06dc0d8f3dd983e2d96adaaf9de533aea6d42ed/dist/build.js:26867:7

This is a bug. Please report it at [https://github.com/stainless-api/upload-openapi-spec-action/issues](https://github.com/stainless-api/upload-openapi-spec-action/issues?q=sort%3Aupdated-desc+is%3Aissue+is%3Aopen)
    at _APIError.generate (/home/runner/work/_actions/stainless-api/upload-openapi-spec-action/e06dc0d8f3dd983e2d96adaaf9de533aea6d42ed/dist/build.js:18624:14)
    at BaseGitHub3.makeStatusError (/home/runner/work/_actions/stainless-api/upload-openapi-spec-action/e06dc0d8f3dd983e2d96adaaf9de533aea6d42ed/dist/build.js:22048:24)
    at BaseGitHub3.makeRequest (/home/runner/work/_actions/stainless-api/upload-openapi-spec-action/e06dc0d8f3dd983e2d96adaaf9de533aea6d42ed/dist/build.js:22182:26)
    at process.processTicksAndRejections (node:internal/process/task_queues:95:5)
    at async GitHubClient.getPullRequestForCommit (/home/runner/work/_actions/stainless-api/upload-openapi-spec-action/e06dc0d8f3dd983e2d96adaaf9de533aea6d42ed/dist/build.js:22490:26)
    at async /home/runner/work/_actions/stainless-api/upload-openapi-spec-action/e06dc0d8f3dd983e2d96adaaf9de533aea6d42ed/dist/build.js:28214:124
    at async /home/runner/work/_actions/stainless-api/upload-openapi-spec-action/e06dc0d8f3dd983e2d96adaaf9de533aea6d42ed/dist/build.js:26867:7