fix(deps): update spring boot to v4 (major) -- xyz

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
org.springframework.boot:spring-boot-starter-web (source)	3.5.9 → 4.0.1
org.springframework.boot	3.5.9 → 4.0.1

---

Release Notes

spring-projects/spring-boot (org.springframework.boot:spring-boot-starter-web)

v4.0.1

v4.0.0

---

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 these updates again.

---

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

---

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

[laurit]

we wish to test spring boot 2 here

[zeitlinger]

we wish to test spring boot 2 here

in both occurrences that are now using boot 3?

[zeitlinger]

we wish to test spring boot 2 here

in both occurrences that are now using boot 3?

@laurit can you clarify?

[laurit]

@zeitlinger I believe that originally this PR was different from what it is now and contained more changes. Renovate rule changes made by @trask ensured that we keep old spring versions where we need them. I'll close this PR and let renovate recreate it.

[renovate]

Renovate Ignore Notification

Because you closed this PR without merging, Renovate will ignore this update. You will not get PRs for any future 4.x releases. But if you manually upgrade to 4.x then Renovate will re-enable minor and patch updates automatically.

If you accidentally closed this PR, or if you changed your mind: rename this PR to get a fresh replacement PR.