Update klutchell/unbound Docker tag to v1.19.1

[chemical-soup]

This PR contains the following updates:

Package	Type	Update	Change
klutchell/unbound	final	patch	v1.19.0 -> v1.19.1

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Release Notes

klutchell/unbound-docker (klutchell/unbound)

### [`v1.19.1`](https://togithub.com/klutchell/unbound-docker/compare/v1.19.1...v1.19.1) [Compare Source](https://togithub.com/klutchell/unbound-docker/compare/v1.19.1...v1.19.1) ### [`v1.19.1`](https://togithub.com/klutchell/unbound-docker/compare/v1.19.0...v1.19.1) [Compare Source](https://togithub.com/klutchell/unbound-docker/compare/v1.19.0...v1.19.1)

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Configuration

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

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This PR has been generated by Renovate Bot.

[klutchell]

Running in production (before the Pi-hole update)