Update dependency github-label-sync to v2.1.1

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
github-label-sync	2.0.2 -> 2.1.1

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Release Notes

Financial-Times/github-label-sync

### [`v2.1.1`](https://togithub.com/Financial-Times/github-label-sync/compare/v2.1.0...v2.1.1) [Compare Source](https://togithub.com/Financial-Times/github-label-sync/compare/v2.1.0...v2.1.1) ### [`v2.1.0`](https://togithub.com/Financial-Times/github-label-sync/compare/v2.0.2...v2.1.0) [Compare Source](https://togithub.com/Financial-Times/github-label-sync/compare/v2.0.2...v2.1.0)

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