deps(deps): update betahuhn/repo-file-sync-action action

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
BetaHuhn/repo-file-sync-action	action	patch	v1.21.0 -> v1.21.1

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Release Notes

BetaHuhn/repo-file-sync-action (BetaHuhn/repo-file-sync-action)

### [`v1.21.1`](https://togithub.com/BetaHuhn/repo-file-sync-action/blob/HEAD/CHANGELOG.md#v1211---2024-05-05) [Compare Source](https://togithub.com/BetaHuhn/repo-file-sync-action/compare/v1.21.0...v1.21.1) [Release notes](https://togithub.com/betahuhn/repo-file-sync-action/releases/tag/v1.21.1) · [Compare](https://togithub.com/betahuhn/repo-file-sync-action/compare/v1.21.0...v1.21.1) · [Tag](https://togithub.com/betahuhn/repo-file-sync-action/tree/v1.21.1) · Archive ([zip](https://togithub.com/betahuhn/repo-file-sync-action/archive/v1.21.1.zip) · [tar.gz](https://togithub.com/betahuhn/repo-file-sync-action/archive/v1.21.1.tar.gz)) ##### Bug fixes - [`899c636`](https://togithub.com/betahuhn/repo-file-sync-action/commit/899c636) Create Commit tree using GitHub API ([#​321](https://togithub.com/BetaHuhn/repo-file-sync-action/issues/321)) (Issues: [`#321`](https://togithub.com/betahuhn/repo-file-sync-action/issues/321) [`#246`](https://togithub.com/betahuhn/repo-file-sync-action/issues/246)) ##### Security issues - [`88a3448`](https://togithub.com/betahuhn/repo-file-sync-action/commit/88a3448) Update action to Node 20 ([#​331](https://togithub.com/BetaHuhn/repo-file-sync-action/issues/331)) (Issues: [`#331`](https://togithub.com/betahuhn/repo-file-sync-action/issues/331) [`#332`](https://togithub.com/betahuhn/repo-file-sync-action/issues/332))

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Configuration

📅 Schedule: Branch creation - "on sunday" in timezone America/Montreal, Automerge - At any time (no schedule defined).

🚦 Automerge: Enabled.

♻ Rebasing: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about this update again.

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• [ ] If you want to rebase/retry this PR, check this box

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