fix(deps): update dependency @octokit/action to v6

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
@octokit/action	^5.0.0 -> ^6.0.0

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Release Notes

octokit/action.js

### [`v6.0.0`](https://togithub.com/octokit/action.js/releases/tag/v6.0.0) [Compare Source](https://togithub.com/octokit/action.js/compare/v5.0.6...v6.0.0) ##### Bug Fixes - **deps:** update dependency [@​octokit/plugin-paginate-rest](https://togithub.com/octokit/plugin-paginate-rest) to v7 ([#​501](https://togithub.com/octokit/action.js/issues/501)) ([9cf6171](https://togithub.com/octokit/action.js/commit/9cf617197c78f86b9c4d688d94c6aca45ddb64da)) ##### Continuous Integration - stop testing against NodeJS v14, v16 ([#​495](https://togithub.com/octokit/action.js/issues/495)) ([09b0852](https://togithub.com/octokit/action.js/commit/09b08528360d24f24a941352766228732c28e484)) ##### BREAKING CHANGES - Drop support for NodeJS v14, v16

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[octokitbot]

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