chore(deps): update release-drafter/release-drafter action to v6

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
release-drafter/release-drafter	action	major	v5 -> v6

---

Release Notes

release-drafter/release-drafter (release-drafter/release-drafter)

v6

Compare Source

---

Configuration

📅 Schedule: Branch creation - "after 21:00 on friday,every weekend" in timezone Asia/Tokyo, 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 ✅

Comparison is base (57eb89b) 90.90% compared to head (3d7fd6b) 90.90%.

Additional details and impacted files

@@           Coverage Diff           @@
##             main      #56   +/-   ##
=======================================
  Coverage   90.90%   90.90%           
=======================================
  Files           9        9           
  Lines         231      231           
=======================================
  Hits          210      210           
  Misses         14       14           
  Partials        7        7           

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