chore(deps): update zwave-js-ui to v9.18.1

[renovate[bot]]

This PR contains the following updates:

Package	Update	Change
zwave-js/zwave-js-ui	patch	v9.18.0 -> v9.18.1

This PR updates the version of zwave-js-ui in the snapcraft.yaml file to match the latest GitHub release.

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Release Notes

zwave-js/zwave-js-ui (zwave-js/zwave-js-ui)

### [`v9.18.1`](https://redirect.github.com/zwave-js/zwave-js-ui/releases/tag/v9.18.1): Release 9.18.1 [Compare Source](https://redirect.github.com/zwave-js/zwave-js-ui/compare/v9.18.0...v9.18.1) ##### Bug Fixes - **discovery:** use valueId endpoint device class for multilevel switch CC discovery ([#​3877](https://redirect.github.com/zwave-js/zwave-js-ui/issues/3877)) ([a467854](https://redirect.github.com/zwave-js/zwave-js-ui/commit/a4678543e3b2ff3bb70f43aa2a5e88deb18428c2))

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