Update actions/attest-build-provenance action to v4

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
actions/attest-build-provenance	action	major	v3 → v4

---

Release Notes

actions/attest-build-provenance (actions/attest-build-provenance)

v4

Compare Source

---

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 is behind base branch, 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 51.17%. Comparing base (6fc494b) to head (f1c5292).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main      #58   +/-   ##
=======================================
  Coverage   51.17%   51.17%           
=======================================
  Files           4        4           
  Lines         213      213           
=======================================
  Hits          109      109           
  Misses         91       91           
  Partials       13       13           

☔ 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.