Update release dates

Author: newpavlov

ghash/CHANGELOG.md

@@ -5,7 +5,7 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
-## 0.6.0 (UNRELEASED)
+## 0.6.0 (2026-02-27)
 ### Changed
 - Edition changed to 2024 and MSRV bumped to 1.85 ([#228])
 - Relax MSRV policy and allow MSRV bumps in patch releases

poly1305/CHANGELOG.md

@@ -5,7 +5,7 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
-## 0.9.0 (UNRELEASED)
+## 0.9.0 (2026-02-27)
 ### Changed
 - Edition changed to 2024 and MSRV bumped to 1.85 ([#228])
 - Relax MSRV policy and allow MSRV bumps in patch releases

polyval/CHANGELOG.md

@@ -5,7 +5,7 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
-## 0.7.0 (UNRELEASED)
+## 0.7.0 (2026-02-27)
 ### Changed
 - Edition changed to 2024 and MSRV bumped to 1.85 ([#228])
 - Relax MSRV policy and allow MSRV bumps in patch releases