chore(deps): update xperimental/nextcloud-exporter docker tag to v0.7.0

[renovate[bot]]

This PR contains the following updates:

Package	Update	Change
xperimental/nextcloud-exporter	minor	0.6.2 -> 0.7.0

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Release Notes

xperimental/nextcloud-exporter (xperimental/nextcloud-exporter)

### [`v0.7.0`](https://togithub.com/xperimental/nextcloud-exporter/blob/HEAD/CHANGELOG.md#070---2024-03-21) [Compare Source](https://togithub.com/xperimental/nextcloud-exporter/compare/v0.6.2...v0.7.0) ##### Added - Example Grafana Dashboard now included in the repository ##### Changed - App-related metrics (installed, available updates) are opt-in now, mirroring the change in Nextcloud 28 - Updates Go and dependencies ##### Fixed - Error parsing "free space" reported by Nextcloud when number is very large

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Configuration

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

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