Update balena/open-balena-base Docker tag to v18

[balena-renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
balena/open-balena-base	final	major	v17.0.20 -> v18.0.0

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Release Notes

balena-io-modules/open-balena-base (balena/open-balena-base)

### [`v18.0.0`](https://togithub.com/balena-io-modules/open-balena-base/blob/HEAD/CHANGELOG.md#v1800) [Compare Source](https://togithub.com/balena-io-modules/open-balena-base/compare/v18.0.0...v18.0.0) #### (2024-05-28) - Update to nodejs 22.2.0 \[Pagan Gazzard] ### [`v18.0.0`](https://togithub.com/balena-io-modules/open-balena-base/blob/HEAD/CHANGELOG.md#v1800) [Compare Source](https://togithub.com/balena-io-modules/open-balena-base/compare/v17.0.20...v18.0.0) #### (2024-05-28) - Update to nodejs 22.2.0 \[Pagan Gazzard]

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Configuration

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This PR has been generated by Renovate Bot.