Update dependency idb to v7

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
idb	^6.1.5 -> ^7.0.0

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Release Notes

jakearchibald/idb

### [`v7.0.0`](https://togithub.com/jakearchibald/idb/compare/v6.1.5...v7.0.0) [Compare Source](https://togithub.com/jakearchibald/idb/compare/v6.1.5...v7.0.0)

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Configuration

📅 Schedule: "on the first day of the month" in timezone Asia/Tokyo.

🚦 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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