chore(main): release 18.5.1 (#2681)

Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>

Author: github-actions[bot]

CHANGELOG.md

@@ -1,5 +1,14 @@
 # Changelog
 
+## [18.5.1](https://github.com/olimorris/codecompanion.nvim/compare/v18.5.0...v18.5.1) (2026-01-24)
+
+
+### Bug Fixes
+
+* **adapters:** check for nil in `openai_responses` ([#2662](https://github.com/olimorris/codecompanion.nvim/issues/2662)) ([e22c043](https://github.com/olimorris/codecompanion.nvim/commit/e22c04336b5c56e3839bfebd6d88944f014f4b30))
+* **adapters:** copilot supported endpoints ([#2691](https://github.com/olimorris/codecompanion.nvim/issues/2691)) ([dd98466](https://github.com/olimorris/codecompanion.nvim/commit/dd98466a893abf499fbd69ab9526b2da7c094fb8))
+* **tools:** remove globals for better concurrent tool usage ([#2680](https://github.com/olimorris/codecompanion.nvim/issues/2680)) ([c9d74dd](https://github.com/olimorris/codecompanion.nvim/commit/c9d74dd667cf609b4f2064ae7f5471285b5356cb))
+
 ## [18.5.0](https://github.com/olimorris/codecompanion.nvim/compare/v18.4.1...v18.5.0) (2026-01-21)