was org.springframework.boot to v4

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
org.springframework.boot	3.5.7 -> 4.0.0

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Warning

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Configuration

📅 Schedule: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined).

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

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[trask]

@zeitlinger instead of updating the renovate config here, can you send a separate PR? then once your PR merges we can verify that this PR is automatically closed

[zeitlinger]

@zeitlinger instead of updating the renovate config here, can you send a separate PR? then once your PR merges we can verify that this PR is automatically closed

good idea - #918

[trask]

@zeitlinger you can hit the checkbox on the description to regenerate this PR from scratch to see what Renovate will do now with the updated configuration

[zeitlinger]

@zeitlinger you can hit the checkbox on the description to regenerate this PR from scratch to see what Renovate will do now with the updated configuration

it was already ticked - but I'll try closing the PR and changing the title so renovate will not find it: https://docs.renovatebot.com/key-concepts/pull-requests/