Update github app permission

[tuliren]

The default installation can no longer post comment in the PR. The root cause is probably this:

actions/first-interaction#10 (comment)

If you specify the access for any of these scopes, all of those that are not specified are set to none.

Reference: https://docs.github.com/en/actions/writing-workflows/choosing-what-your-workflow-does/controlling-permissions-for-github_token#overview