Update php Docker tag to v8.2.9

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
php	stage	patch	8.2.8-alpine -> 8.2.9-alpine

---

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 has been generated by Mend Renovate. View repository job log here.

[codecov]

Codecov Report

Patch and project coverage have no change.

Comparison is base (4d3e959) 100.00% compared to head (5918806) 100.00%.

Additional details and impacted files

@@             Coverage Diff             @@
##                main      #102   +/-   ##
===========================================
  Coverage     100.00%   100.00%           
  Complexity         3         3           
===========================================
  Files              3         3           
  Lines             17        17           
===========================================
  Hits              17        17           

Flag	Coverage Δ
unittests	100.00% <ø> (ø)

Flags with carried forward coverage won't be shown. Click here to find out more.

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