Update spring boot to v3.4.4

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
org.springframework.boot:spring-boot-starter-test (source)	3.4.3 -> 3.4.4
org.springframework.boot:spring-boot-starter-validation (source)	3.4.3 -> 3.4.4
org.springframework.boot:spring-boot-starter-web (source)	3.4.3 -> 3.4.4

---

Release Notes

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

v3.4.4

Compare Source

---

Configuration

📅 Schedule: Branch creation - "after 8am on saturday" in timezone Australia/Brisbane, 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.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 75.44%. Comparing base (233f560) to head (1c2b0ca).
Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff            @@
##               main      #14   +/-   ##
=========================================
  Coverage     75.44%   75.44%           
  Complexity      281      281           
=========================================
  Files            30       30           
  Lines          1006     1006           
  Branches        128      128           
=========================================
  Hits            759      759           
  Misses          167      167           
  Partials         80       80           

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.