Prepare release v267

Author: heroku-linguist[bot]

CHANGELOG.md

@@ -3,6 +3,9 @@
 ## [Unreleased]
 
 
+## [v267] - 2025-05-15
+
+
 ## [v266] - 2025-05-15
 
 ### ADD
@@ -2895,7 +2898,8 @@
 
 - Auto-set and follow (but not enable, for now) the FPM slowlog [David Zuelke]
 
-[unreleased]: https://github.com/heroku/heroku-buildpack-php/compare/v266...main
+[unreleased]: https://github.com/heroku/heroku-buildpack-php/compare/v267...main
+[v267]: https://github.com/heroku/heroku-buildpack-php/compare/v266...v267
 [v266]: https://github.com/heroku/heroku-buildpack-php/compare/v265...v266
 [v265]: https://github.com/heroku/heroku-buildpack-php/compare/v264...v265
 [v264]: https://github.com/heroku/heroku-buildpack-php/compare/v263...v264