chore(main): release 8.18.0

[cheminfo-bot]

🤖 I have created a release beep boop

8.18.0 (2026-08-14)

Features

• prochiral labels use superscript and skip enantiotopic by default (#243) (00a6047)
• update OCL to v9.25.0 (#245) (239d08f)

---

This PR was generated with Release Please. See documentation.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 90.50%. Comparing base (239d08f) to head (362b2e3).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #244   +/-   ##
=======================================
  Coverage   90.50%   90.50%           
=======================================
  Files          94       94           
  Lines        2758     2758           
  Branches      710      710           
=======================================
  Hits         2496     2496           
  Misses        239      239           
  Partials       23       23           

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[cheminfo-bot]

🤖 Created releases:

• v8.18.0

🌻