Update gradle (major)

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
org.springframework.boot	3.2.0 → 4.0.2
org.jetbrains.kotlin.plugin.spring	1.9.21 → 2.3.10
org.jetbrains.kotlin.jvm	1.9.21 → 2.3.10

---

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.

👻 Immortal: This PR will be recreated if closed unmerged. Get config help if that's undesired.

---

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

---

This PR was generated by Mend Renovate. View the repository job log.

[coderabbitai]

Important

Review skipped

Bot user detected.

To trigger a single review, invoke the @coderabbitai review command.

You can disable this status message by setting the reviews.review_status to false in the CodeRabbit configuration file.

---

_{Comment @coderabbitai help to get the list of available commands and usage tips.}

[greptile-apps]

PR author is in the excluded authors list.