fix(deps): update dependency @octokit/rest to v19

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
@octokit/rest	18.12.0 -> 19.0.3

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Release Notes

octokit/rest.js

### [`v19.0.3`](https://togithub.com/octokit/rest.js/releases/tag/v19.0.3) [Compare Source](https://togithub.com/octokit/rest.js/compare/v19.0.2...v19.0.3) ##### Bug Fixes - **deps:** update dependency [@​octokit/plugin-paginate-rest](https://togithub.com/octokit/plugin-paginate-rest) to v3 ([#​161](https://togithub.com/octokit/rest.js/issues/161)) ([670f477](https://togithub.com/octokit/rest.js/commit/670f477941a7b4a2653e57e7965da3dd0b862034)) ### [`v19.0.2`](https://togithub.com/octokit/rest.js/releases/tag/v19.0.2) [Compare Source](https://togithub.com/octokit/rest.js/compare/v19.0.1...v19.0.2) ##### Bug Fixes - **deps:** update dependency [@​octokit/plugin-rest-endpoint-methods](https://togithub.com/octokit/plugin-rest-endpoint-methods) to v6 ([#​162](https://togithub.com/octokit/rest.js/issues/162)) ([310c738](https://togithub.com/octokit/rest.js/commit/310c738d2924bd5ee83b164c32c48d0add418839)) ### [`v19.0.1`](https://togithub.com/octokit/rest.js/releases/tag/v19.0.1) [Compare Source](https://togithub.com/octokit/rest.js/compare/v19.0.0...v19.0.1) ##### Bug Fixes - **deps:** update dependency [@​octokit/core](https://togithub.com/octokit/core) to v4 ([#​160](https://togithub.com/octokit/rest.js/issues/160)) ([0b8f202](https://togithub.com/octokit/rest.js/commit/0b8f202044473887d8f0128a5e5e38878a641536)) ### [`v19.0.0`](https://togithub.com/octokit/rest.js/releases/tag/v19.0.0) [Compare Source](https://togithub.com/octokit/rest.js/compare/v18.12.0...v19.0.0) ##### Continuous Integration - stop testing against NodeJS v10, v12 ([#​157](https://togithub.com/octokit/rest.js/issues/157)) ([526eb2b](https://togithub.com/octokit/rest.js/commit/526eb2be8c141a6c11bc19606490f9b1afd68983)) ##### BREAKING CHANGES - Drop support for NodeJS v10, v12

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