fix(deps): update dependency @actions/github to v6

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
@actions/github (source)	^5.1.1 -> ^6.0.0

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Release Notes

actions/toolkit (@​actions/github)

### [`v6.0.0`](https://togithub.com/actions/toolkit/blob/HEAD/packages/github/RELEASES.md#600) - Support the latest Octokit in [@​actions/github](https://togithub.com/actions/github) [#​1553](https://togithub.com/actions/toolkit/pull/1553) - Drop support of NodeJS v14, v16

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