Prepare release v1.16.0 (#140)

* Prepare release v1.16.0

* Update wiki submodule pointer for PR #140

---------

Co-authored-by: coisa <426835+coisa@users.noreply.github.com>
Co-authored-by: github-actions <41898282+github-actions[bot]@users.noreply.github.com>

Author: github-actions[bot]

.github/wiki

@@ -7,6 +7,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [1.16.0] - 2026-04-20
+
 ### Changed
 
 - Skip pull-request changelog entry validation for generated release branches so release PRs can promote `Unreleased` without failing CI (#138)
@@ -238,7 +240,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Normalize workflow PHP extension setup and Git submodule path handling for synced repositories.
 
 
-[unreleased]: https://github.com/php-fast-forward/dev-tools/compare/v1.15.0...HEAD
+[unreleased]: https://github.com/php-fast-forward/dev-tools/compare/v1.16.0...HEAD
+[1.16.0]: https://github.com/php-fast-forward/dev-tools/compare/v1.15.0...v1.16.0
 [1.15.0]: https://github.com/php-fast-forward/dev-tools/compare/v1.14.0...v1.15.0
 [1.14.0]: https://github.com/php-fast-forward/dev-tools/compare/v1.13.0...v1.14.0
 [1.13.0]: https://github.com/php-fast-forward/dev-tools/compare/v1.12.0...v1.13.0