Update abatilo/actions-poetry action to v3

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
abatilo/actions-poetry	action	major	v2 -> v3

---

Release Notes

abatilo/actions-poetry (abatilo/actions-poetry)

v3

Compare Source

---

Configuration

📅 Schedule: Branch creation - "before 9am every weekday,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 has been generated by Mend Renovate. View repository job log here.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (982abda) 100.00% compared to head (a7dcdc0) 100.00%.
Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff            @@
##              main      #137   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files            1         1           
  Lines           24        24           
=========================================
  Hits            24        24           

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.