Dry run not working on Pull request using GitHub Actions workflow

## Problem Description
Dry run mode is not working on GitHub actions workflow when pull request is opened

### What is actually happening
Its giving Error message as below
"Unexpected error during full sync: TypeError: Cannot read properties of undefined (reading 'check_suite')"

### What is the expected behavior
It needs to be generated a report in pull request with the expected changes
### Error output, if available

```
Unexpected error during full sync: TypeError: Cannot read properties of undefined (reading 'check_suite')
```

## Context

### Are you using the hosted instance of probot/settings or running your own?
Running own
### If running your own instance, are you using it with github.com or GitHub Enterprise?
GitHub.com
#### Version of probot/settings
safe-settings@0.1.0-rc.26 full-sync
#### Version of GitHub Enterprise