Update dependency @octokit/auth-app to v3

[kindlymachine[bot]]

This PR contains the following updates:

Package	Type	Update	Change
@octokit/auth-app	dependencies	major	^2.10.5 -> ^3.0.0

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Release Notes

octokit/auth-app.js

### [`v3.0.0`](https://togithub.com/octokit/auth-app.js/releases/v3.0.0) [Compare Source](https://togithub.com/octokit/auth-app.js/compare/v2.11.0...v3.0.0) ##### BREAKING CHANGES - `createAppAuth({ id, privateKey })` is no longer supported. Use `createAppAuth({ appId, privateKey })` instead ##### Bug Fixes - remove `scopes` from API as OAuth scopes are not supported by GitHub Apps, OAuth tokens inherit the installtion permissions instead ([#​255](https://togithub.com/octokit/auth-app.js/issues/255)) ([f542dbf](https://togithub.com/octokit/auth-app.js/commit/f542dbfb45e678e4c737577add02fc08c6969238))

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