Update actions/setup-java digest to 3a4f6e1

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
actions/setup-java	action	digest	7a6d8a8 -> 3a4f6e1

---

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.

---

• 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 96.18%. Comparing base (9032cbb) to head (a5c01bf).
Report is 2 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff            @@
##               main     #550   +/-   ##
=========================================
  Coverage     96.18%   96.18%           
  Complexity      415      415           
=========================================
  Files           108      108           
  Lines          1545     1545           
  Branches         42       42           
=========================================
  Hits           1486     1486           
  Misses           42       42           
  Partials         17       17