Update dependency chenxiaolong/avbroot to v3.7.1

[schnatterer]

This PR contains the following updates:

Package	Update	Change
chenxiaolong/avbroot	patch	3.7.0 -> 3.7.1

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Release Notes

chenxiaolong/avbroot (chenxiaolong/avbroot)

### [`v3.7.1`](https://redirect.github.com/chenxiaolong/avbroot/releases/tag/v3.7.1): Version 3.7.1 [Compare Source](https://redirect.github.com/chenxiaolong/avbroot/compare/v3.7.0...v3.7.1) The changelog can be found at: [`CHANGELOG.md`](./CHANGELOG.md). *** See [`README.md`](./README.md) for information on how to use avbroot. The downloads are digitally signed. Please consider [verifying the digital signatures](./README.md#verifying-digital-signatures) of the binaries (or building from source) since avbroot is an application with access to your OTA/AVB signing keys.

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Configuration

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🚦 Automerge: Disabled by config. Please merge this manually once you are satisfied.

♻ 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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